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BOSTON MARATHON 2026

Jan Nelson

Bib: 18070β€’F

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 36%
Gender (Female)
#0 / 12578
Top 20%
Masters (Masters Women)
#0 / 6862
Top 7%
Age Group (F40-44)
#0 / 1737
Top 16%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:09
3.11 mi
Rank: #12379
Start β†’ 5K
23:09 | 7:28/mi
10K
45:30
6.21 mi
Rank: #11280 (+1099)
5K β†’ 10K
22:21 | 7:12/mi
15K
1:07:58
9.32 mi
Rank: #10972 (+308)
10K β†’ 15K
22:28 | 7:14/mi
20K
1:32:34
12.43 mi
Rank: #12134 (-1162)
15K β†’ 20K
24:36 | 7:56/mi
HALF
1:37:37
13.11 mi
Rank: #12140 (-6)
20K β†’ HALF
5:03 | 7:25/mi
25K
1:55:33
15.53 mi
Rank: #11876 (+264)
HALF β†’ 25K
17:56 | 7:24/mi
30K
2:19:36
18.64 mi
Rank: #11792 (+84)
25K β†’ 30K
24:03 | 7:45/mi
20M
2:30:06
20.00 mi
Rank: #11692 (+100)
30K β†’ 20M
10:30 | 7:44/mi
21M
2:38:09
21.00 mi
Rank: #11572 (+120)
20M β†’ 21M
8:03 | 8:03/mi
35K
2:43:13
21.75 mi
Rank: #11291 (+281)
21M β†’ 35K
5:04 | 6:47/mi
23M
2:52:22
23.00 mi
Rank: #11019 (+272)
35K β†’ 23M
9:09 | 7:19/mi
24M
2:59:34
24.00 mi
Rank: #10810 (+209)
23M β†’ 24M
7:12 | 7:12/mi
40K
3:06:00
24.85 mi
Rank: #10713 (+97)
24M β†’ 40K
6:26 | 7:32/mi
25.2M
3:08:50
25.20 mi
Rank: #10685 (+28)
40K β†’ 25.2M
2:50 | 8:13/mi
FINISH
3:16:04
26.22 mi
Rank: #10576 (+109)
25.2M β†’ FINISH
7:14 | 7:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:37:37
Pace7:27 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:38:27
Pace7:31 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3923:097:2823:09
7:28
-
10K
6.21 mi11:47:0045:307:2022:21
7:12
-0:16
15K
9.32 mi12:09:281:07:587:1822:28
7:14
+0:02
20K
12.43 mi12:34:041:32:347:2724:36
7:56
+0:42
HALF
13.11 mi12:39:071:37:377:275:03
7:25
-0:31
25K
15.53 mi12:57:031:55:337:2717:56
7:24
-0:01
30K
18.64 mi13:21:062:19:367:3024:03
7:45
+0:21
20M
20.00 mi13:31:362:30:067:3110:30
7:44
-0:01
21M
21.00 mi13:39:392:38:097:328:03
8:03
+0:19
35K
21.75 mi13:44:432:43:137:315:04
6:47
-1:16
23M
23.00 mi13:53:522:52:227:309:09
7:19
+0:32
24M
24.00 mi14:01:042:59:347:297:12
7:12
-0:07
40K
24.85 mi14:07:303:06:007:306:26
7:32
+0:20
25.2M
25.20 mi14:10:203:08:507:302:50
8:13
+0:41
FINISH
26.22 mi14:17:343:16:047:307:14
7:06
-1:07

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:47 /mi

Average Pace

7:29 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

41:51

21% of race

Time at Steady Pace

1:24:11

43% of race

Time at Slower Pace

1:10:02

36% of race

Average Pace: 7:29 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:24:3923:097:2823:09
7:28
#12379
10K
6.21 mi11:47:0045:307:2022:21
7:12
#11280
15K
9.32 mi12:09:281:07:587:1822:28
7:14
#10972
20K
12.43 mi12:34:041:32:347:2724:36
7:56
#12134
HALF
13.11 mi12:39:071:37:377:275:03
7:25
#12140
25K
15.53 mi12:57:031:55:337:2717:56
7:24
#11876
30K
18.64 mi13:21:062:19:367:3024:03
7:45
#11792
20M
20.00 mi13:31:362:30:067:3110:30
7:44
#11692
21M
21.00 mi13:39:392:38:097:328:03
8:03
#11572
35K
21.75 mi13:44:432:43:137:315:04
6:47
#11291
23M
23.00 mi13:53:522:52:227:309:09
7:19
#11019
24M
24.00 mi14:01:042:59:347:297:12
7:12
#10810
40K
24.85 mi14:07:303:06:007:306:26
7:32
#10713
25.2M
25.20 mi14:10:203:08:507:302:50
8:13
#10685
FINISH
26.22 mi14:17:343:16:047:307:14
7:06
#10576
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi123793131313110409(Top 36%)2173(Top 17%)2173(Top 125%)
10K6.21 mi3.10 mi11280+10992548+5832548+58310232(Top 35%)2021(Top 16%)2021(Top 116%)
15K9.32 mi3.11 mi10972+3082408+1402408+14010409(Top 36%)2173(Top 17%)2173(Top 125%)
20K12.43 mi3.11 mi12134-11623061-6533061-65315485(Top 53%)5074(Top 40%)5074(Top 292%)
HALF13.11 mi0.68 mi12140-63073-123073-1212213(Top 42%)3118(Top 25%)3118(Top 180%)
25K15.53 mi2.42 mi11876+2642967+1062967+10610543(Top 36%)2409(Top 19%)2409(Top 139%)
30K18.64 mi3.11 mi11792+842968-12968-111545(Top 40%)3056(Top 24%)3056(Top 176%)
20M20.00 mi1.36 mi11692+1002925+432925+4310846(Top 37%)2804(Top 22%)2804(Top 161%)
21M21.00 mi1.00 mi11572+1202873+522873+5210259(Top 35%)2620(Top 21%)2620(Top 151%)
35K21.75 mi0.75 mi11291+2812748+1252748+1255558(Top 19%)717(Top 6%)717(Top 41%)
23M23.00 mi1.25 mi11019+2722637+1112637+1117584(Top 26%)1464(Top 12%)1464(Top 84%)
24M24.00 mi1.00 mi10810+2092561+762561+767917(Top 27%)1699(Top 14%)1699(Top 98%)
40K24.85 mi0.85 mi10713+972537+242537+249072(Top 31%)2316(Top 18%)2316(Top 133%)
25.2M25.20 mi0.35 mi10685+282532+52532+59783(Top 34%)2729(Top 22%)2729(Top 157%)
FINISH26.22 mi1.02 mi10576+1092507+252507+258382(Top 29%)2096(Top 17%)2096(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
Γ—21
+97ft-345ft

Overall

10409

Females

2173

F40-44

2173

5K→10K

3.1 - 6.2 mi

Top 35%
Γ—5
+79ft-138ft

Overall

10232

Females

2021

F40-44

2021

10K→15K

6.2 - 9.3 mi

Top 36%
Γ—3
+67ft-78ft

Overall

10409

Females

2173

F40-44

2173

15K→20K

9.3 - 12.4 mi

Top 53%
Γ—5
+106ft-86ft

Overall

15485

Females

5074

F40-44

5074

20K→HALF

12.4 - 13.1 mi

Top 42%
Γ—2
+19ft-37ft

Overall

12213

Females

3118

F40-44

3118

HALF→25K

13.1 - 15.5 mi

Top 36%
Γ—4
+66ft-88ft

Overall

10543

Females

2409

F40-44

2409

25K→30K

15.5 - 18.6 mi

Top 40%
Γ—9
+181ft-148ft

Overall

11545

Females

3056

F40-44

3056

30K→20M

18.6 - 20.0 mi

Top 37%
Γ—5
+64ft-50ft

Overall

10846

Females

2804

F40-44

2804

20M→21M

20.0 - 21.0 mi

Top 35%
Γ—8
+106ft-24ft

Overall

10259

Females

2620

F40-44

2620

21M→35K

21.0 - 21.8 mi

Top 19%
Γ—7
+17ft-86ft

Overall

5558

Females

717

F40-44

717

35K→23M

21.8 - 23.0 mi

Top 26%
Γ—5
+23ft-63ft

Overall

7584

Females

1464

F40-44

1464

23M→24M

23.0 - 24.0 mi

Top 27%
Γ—6
+12ft-82ft

Overall

7917

Females

1699

F40-44

1699

24M→40K

24.0 - 24.9 mi

Top 31%
Γ—1
+6ft-20ft

Overall

9072

Females

2316

F40-44

2316

40K→25.2M

24.9 - 25.2 mi

Top 34%
Γ—1
+13ft-16ft

Overall

9783

Females

2729

F40-44

2729

25.2M→FINISH

25.2 - 26.2 mi

Top 29%
Γ—2
+22ft-21ft

Overall

8382

Females

2096

F40-44

2096

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3390*
Passed By
606
Net Change
+1803
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12379
5K β†’ 10K1126*27+1099#12379#11280
10K β†’ 15K359*51+308#11280#10972
15K β†’ 20K19200-1162#10972#12134
20K β†’ HALF3137-6#12134#12140
HALF β†’ 25K284*20+264#12140#11876
25K β†’ 30K215*131+84#11876#11792
30K β†’ 20M14545+100#11792#11692
20M β†’ 21M14929+120#11692#11572
21M β†’ 35K281*0+281#11572#11291
35K β†’ 23M280*8+272#11291#11019
23M β†’ 24M214*5+209#11019#10810
24M β†’ 40K11821+97#10810#10713
40K β†’ 25.2M4012+28#10713#10685
25.2M β†’ FINISH12920+109#10685#10576
TOTALS3390*606+1803

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing