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BOSTON MARATHON 2026

Jordan Selby

Bib: 16875•F

NY

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 37%
Gender (Female)
#0 / 12578
Top 20%
Age Group (F18-39)
#0 / 5716
Top 36%
Race Day Weather
51°/41°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
22:45
3.11 mi
Rank: #11257
Start → 5K
22:45 | 7:20/mi
10K
45:29
6.21 mi
Rank: #11253 (+4)
5K → 10K
22:44 | 7:20/mi
15K
1:08:09
9.32 mi
Rank: #11147 (+106)
10K → 15K
22:40 | 7:18/mi
20K
1:31:09
12.43 mi
Rank: #11156 (-9)
15K → 20K
23:00 | 7:25/mi
HALF
1:36:10
13.11 mi
Rank: #11177 (-21)
20K → HALF
5:01 | 7:22/mi
25K
1:54:06
15.53 mi
Rank: #11040 (+137)
HALF → 25K
17:56 | 7:24/mi
30K
2:17:43
18.64 mi
Rank: #10888 (+152)
25K → 30K
23:37 | 7:37/mi
20M
2:28:12
20.00 mi
Rank: #10857 (+31)
30K → 20M
10:29 | 7:44/mi
21M
2:36:06
21.00 mi
Rank: #10734 (+123)
20M → 21M
7:54 | 7:54/mi
35K
2:41:30
21.75 mi
Rank: #10624 (+110)
21M → 35K
5:24 | 7:14/mi
23M
2:51:10
23.00 mi
Rank: #10564 (+60)
35K → 23M
9:40 | 7:44/mi
24M
2:58:51
24.00 mi
Rank: #10578 (-14)
23M → 24M
7:41 | 7:41/mi
40K
3:05:45
24.85 mi
Rank: #10642 (-64)
24M → 40K
6:54 | 8:05/mi
25.2M
3:08:39
25.20 mi
Rank: #10640 (+2)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:16:12
26.22 mi
Rank: #10622 (+18)
25.2M → FINISH
7:33 | 7:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:10
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:40:02
Pace7:38 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:1022:457:2022:45
7:20
-
10K
6.21 mi11:26:5445:297:2022:44
7:20
0:00
15K
9.32 mi11:49:341:08:097:1922:40
7:18
-0:02
20K
12.43 mi12:12:341:31:097:2123:00
7:25
+0:07
HALF
13.11 mi12:17:351:36:107:215:01
7:22
-0:03
25K
15.53 mi12:35:311:54:067:2117:56
7:24
+0:02
30K
18.64 mi12:59:082:17:437:2423:37
7:37
+0:13
20M
20.00 mi13:09:372:28:127:2510:29
7:44
+0:07
21M
21.00 mi13:17:312:36:067:277:54
7:54
+0:10
35K
21.75 mi13:22:552:41:307:265:24
7:14
-0:40
23M
23.00 mi13:32:352:51:107:279:40
7:44
+0:30
24M
24.00 mi13:40:162:58:517:287:41
7:41
-0:03
40K
24.85 mi13:47:103:05:457:296:54
8:05
+0:24
25.2M
25.20 mi13:50:043:08:397:302:54
8:25
+0:20
FINISH
26.22 mi13:57:373:16:127:307:33
7:25
-1:00

Checkpoint Splits Visualizations

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

📈Pace 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

7:14 /mi

Average Pace

7:29 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

3:06:24

95% of race

Time at Steady Pace

9:48

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi11:04:1022:457:2022:45
7:20
#11257
10K
6.21 mi11:26:5445:297:2022:44
7:20
#11253
15K
9.32 mi11:49:341:08:097:1922:40
7:18
#11147
20K
12.43 mi12:12:341:31:097:2123:00
7:25
#11156
HALF
13.11 mi12:17:351:36:107:215:01
7:22
#11177
25K
15.53 mi12:35:311:54:067:2117:56
7:24
#11040
30K
18.64 mi12:59:082:17:437:2423:37
7:37
#10888
20M
20.00 mi13:09:372:28:127:2510:29
7:44
#10857
21M
21.00 mi13:17:312:36:067:277:54
7:54
#10734
35K
21.75 mi13:22:552:41:307:265:24
7:14
#10624
23M
23.00 mi13:32:352:51:107:279:40
7:44
#10564
24M
24.00 mi13:40:162:58:517:287:41
7:41
#10578
40K
24.85 mi13:47:103:05:457:296:54
8:05
#10642
25.2M
25.20 mi13:50:043:08:397:302:54
8:25
#10640
FINISH
26.22 mi13:57:373:16:127:307:33
7:25
#10622
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112572498249811027(Top 38%)2492(Top 20%)2492(Top 44%)
10K6.21 mi3.10 mi11253+42534-362534-3611323(Top 39%)2612(Top 21%)2612(Top 46%)
15K9.32 mi3.11 mi11147+1062508+262508+2611027(Top 38%)2492(Top 20%)2492(Top 44%)
20K12.43 mi3.11 mi11156-92545-372545-3711169(Top 38%)2670(Top 21%)2670(Top 47%)
HALF13.11 mi0.68 mi11177-212563-182563-1811767(Top 41%)2880(Top 23%)2880(Top 50%)
25K15.53 mi2.42 mi11040+1372510+532510+5310544(Top 36%)2410(Top 19%)2410(Top 42%)
30K18.64 mi3.11 mi10888+1522497+132497+1310462(Top 36%)2499(Top 20%)2499(Top 44%)
20M20.00 mi1.36 mi10857+312505-82505-810741(Top 37%)2747(Top 22%)2747(Top 48%)
21M21.00 mi1.00 mi10734+1232461+442461+449262(Top 32%)2155(Top 17%)2155(Top 38%)
35K21.75 mi0.75 mi10624+1102427+342427+348750(Top 30%)1908(Top 15%)1908(Top 33%)
23M23.00 mi1.25 mi10564+602440-132440-1310472(Top 36%)2840(Top 23%)2840(Top 50%)
24M24.00 mi1.00 mi10578-142462-222462-2211435(Top 39%)3399(Top 27%)3399(Top 59%)
40K24.85 mi0.85 mi10642-642501-392501-3912978(Top 45%)4303(Top 34%)4303(Top 75%)
25.2M25.20 mi0.35 mi10640+22510-92510-911062(Top 38%)3353(Top 27%)3353(Top 59%)
FINISH26.22 mi1.02 mi10622+182532-222532-2210740(Top 37%)3214(Top 26%)3214(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21
+97ft-345ft

Overall

11027

Females

2492

F18-39

2492

5K→10K

3.1 - 6.2 mi

Top 39%
×5
+79ft-138ft

Overall

11323

Females

2612

F18-39

2612

10K→15K

6.2 - 9.3 mi

Top 38%
×3
+67ft-78ft

Overall

11027

Females

2492

F18-39

2492

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

11169

Females

2670

F18-39

2670

20K→HALF

12.4 - 13.1 mi

Top 41%
×2
+19ft-37ft

Overall

11767

Females

2880

F18-39

2880

HALF→25K

13.1 - 15.5 mi

Top 36%
×4
+66ft-88ft

Overall

10544

Females

2410

F18-39

2410

25K→30K

15.5 - 18.6 mi

Top 36%
×9
+181ft-148ft

Overall

10462

Females

2499

F18-39

2499

30K→20M

18.6 - 20.0 mi

Top 37%
×5
+64ft-50ft

Overall

10741

Females

2747

F18-39

2747

20M→21M

20.0 - 21.0 mi

Top 32%
×8
+106ft-24ft

Overall

9262

Females

2155

F18-39

2155

21M→35K

21.0 - 21.8 mi

Top 30%
×7
+17ft-86ft

Overall

8750

Females

1908

F18-39

1908

35K→23M

21.8 - 23.0 mi

Top 36%
×5
+23ft-63ft

Overall

10472

Females

2840

F18-39

2840

23M→24M

23.0 - 24.0 mi

Top 39%
×6
+12ft-82ft

Overall

11435

Females

3399

F18-39

3399

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

12978

Females

4303

F18-39

4303

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11062

Females

3353

F18-39

3353

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
×2
+22ft-21ft

Overall

10740

Females

3214

F18-39

3214

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1806*
Passed By
1171
Net Change
+635
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11257
5K → 10K204*200+4#11257#11253
10K → 15K224*118+106#11253#11147
15K → 20K135144-9#11147#11156
20K → HALF2546-21#11156#11177
HALF → 25K19659+137#11177#11040
25K → 30K270*118+152#11040#10888
30K → 20M11281+31#10888#10857
20M → 21M15532+123#10857#10734
21M → 35K12313+110#10734#10624
35K → 23M14181+60#10624#10564
23M → 24M7488-14#10564#10578
24M → 40K51115-64#10578#10642
40K → 25.2M2321+2#10642#10640
25.2M → FINISH7355+18#10640#10622
TOTALS1806*1171+635

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

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing