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BOSTON MARATHON 2026

Rebecca Johnstone

Bib: 17107•F

TX

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 41%
Gender (Female)
#0 / 12578
Top 26%
Age Group (F18-39)
#0 / 5716
Top 44%
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
23:57
3.11 mi
Rank: #14643
Start → 5K
23:57 | 7:43/mi
10K
47:35
6.21 mi
Rank: #14242 (+401)
5K → 10K
23:38 | 7:37/mi
15K
1:11:11
9.32 mi
Rank: #13968 (+274)
10K → 15K
23:36 | 7:36/mi
20K
1:34:43
12.43 mi
Rank: #13614 (+354)
15K → 20K
23:32 | 7:35/mi
HALF
1:39:46
13.11 mi
Rank: #13540 (+74)
20K → HALF
5:03 | 7:25/mi
25K
1:58:04
15.53 mi
Rank: #13245 (+295)
HALF → 25K
18:18 | 7:33/mi
30K
2:21:49
18.64 mi
Rank: #12776 (+469)
25K → 30K
23:45 | 7:39/mi
20M
2:32:09
20.00 mi
Rank: #12529 (+247)
30K → 20M
10:20 | 7:37/mi
21M
2:40:42
21.00 mi
Rank: #12592 (-63)
20M → 21M
8:33 | 8:33/mi
35K
2:46:22
21.75 mi
Rank: #12522 (+70)
21M → 35K
5:40 | 7:35/mi
23M
2:56:27
23.00 mi
Rank: #12522
35K → 23M
10:05 | 8:04/mi
24M
3:03:54
24.00 mi
Rank: #12385 (+137)
23M → 24M
7:27 | 7:27/mi
40K
3:10:18
24.85 mi
Rank: #12216 (+169)
24M → 40K
6:24 | 7:30/mi
25.2M
3:13:02
25.20 mi
Rank: #12121 (+95)
40K → 25.2M
2:44 | 7:56/mi
FINISH
3:20:09
26.22 mi
Rank: #11898 (+223)
25.2M → FINISH
7:07 | 7:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:39:46
Pace7:37 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:40:23
Pace7:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:1623:577:4323:57
7:43
-
10K
6.21 mi11:28:5447:357:4023:38
7:37
-0:06
15K
9.32 mi11:52:301:11:117:3923:36
7:36
-0:01
20K
12.43 mi12:16:021:34:437:3823:32
7:35
-0:01
HALF
13.11 mi12:21:051:39:467:375:03
7:25
-0:10
25K
15.53 mi12:39:231:58:047:3718:18
7:33
+0:08
30K
18.64 mi13:03:082:21:497:3723:45
7:39
+0:06
20M
20.00 mi13:13:282:32:097:3710:20
7:37
-0:02
21M
21.00 mi13:22:012:40:427:408:33
8:33
+0:56
35K
21.75 mi13:27:412:46:227:395:40
7:35
-0:58
23M
23.00 mi13:37:462:56:277:4110:05
8:04
+0:29
24M
24.00 mi13:45:133:03:547:407:27
7:27
-0:37
40K
24.85 mi13:51:373:10:187:406:24
7:30
+0:03
25.2M
25.20 mi13:54:213:13:027:402:44
7:56
+0:26
FINISH
26.22 mi14:01:283:20:097:397:07
7:00
-0:56

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

7:00 /mi

Average Pace

7:38 /mi

Slowest Pace

8:33 /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

12:10

6% of race

Time at Steady Pace

2:46:37

83% of race

Time at Slower Pace

21:22

11% of race

Average Pace: 7:38 /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 mi11:05:1623:577:4323:57
7:43
#14643
10K
6.21 mi11:28:5447:357:4023:38
7:37
#14242
15K
9.32 mi11:52:301:11:117:3923:36
7:36
#13968
20K
12.43 mi12:16:021:34:437:3823:32
7:35
#13614
HALF
13.11 mi12:21:051:39:467:375:03
7:25
#13540
25K
15.53 mi12:39:231:58:047:3718:18
7:33
#13245
30K
18.64 mi13:03:082:21:497:3723:45
7:39
#12776
20M
20.00 mi13:13:282:32:097:3710:20
7:37
#12529
21M
21.00 mi13:22:012:40:427:408:33
8:33
#12592
35K
21.75 mi13:27:412:46:227:395:40
7:35
#12522
23M
23.00 mi13:37:462:56:277:4110:05
8:04
#12522
24M
24.00 mi13:45:133:03:547:407:27
7:27
#12385
40K
24.85 mi13:51:373:10:187:406:24
7:30
#12216
25.2M
25.20 mi13:54:213:13:027:402:44
7:56
#12121
FINISH
26.22 mi14:01:283:20:097:397:07
7:00
#11898
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 mi146434449444913638(Top 47%)3934(Top 31%)3934(Top 69%)
10K6.21 mi3.10 mi14242+4014241+2084241+20813932(Top 48%)4066(Top 32%)4066(Top 71%)
15K9.32 mi3.11 mi13968+2744098+1434098+14313638(Top 47%)3934(Top 31%)3934(Top 69%)
20K12.43 mi3.11 mi13614+3543919+1793919+17912613(Top 43%)3449(Top 27%)3449(Top 60%)
HALF13.11 mi0.68 mi13540+743878+413878+4112268(Top 42%)3173(Top 25%)3173(Top 56%)
25K15.53 mi2.42 mi13245+2953730+1483730+14811818(Top 41%)3074(Top 24%)3074(Top 54%)
30K18.64 mi3.11 mi12776+4693523+2073523+20710820(Top 37%)2679(Top 21%)2679(Top 47%)
20M20.00 mi1.36 mi12529+2473414+1093414+1099941(Top 34%)2371(Top 19%)2371(Top 41%)
21M21.00 mi1.00 mi12592-633475-613475-6113454(Top 46%)4282(Top 34%)4282(Top 75%)
35K21.75 mi0.75 mi12522+703448+273448+2711424(Top 39%)3224(Top 26%)3224(Top 56%)
23M23.00 mi1.25 mi125223471-233471-2312854(Top 44%)4059(Top 32%)4059(Top 71%)
24M24.00 mi1.00 mi12385+1373418+533418+539748(Top 34%)2558(Top 20%)2558(Top 45%)
40K24.85 mi0.85 mi12216+1693352+663352+668812(Top 30%)2195(Top 17%)2195(Top 38%)
25.2M25.20 mi0.35 mi12121+953309+433309+438032(Top 28%)1914(Top 15%)1914(Top 33%)
FINISH26.22 mi1.02 mi11898+2233209+1003209+1007487(Top 26%)1704(Top 14%)1704(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13638

Females

3934

F18-39

3934

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13932

Females

4066

F18-39

4066

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13638

Females

3934

F18-39

3934

15K→20K

9.3 - 12.4 mi

Top 43%
×5
+106ft-86ft

Overall

12613

Females

3449

F18-39

3449

20K→HALF

12.4 - 13.1 mi

Top 42%
×2
+19ft-37ft

Overall

12268

Females

3173

F18-39

3173

HALF→25K

13.1 - 15.5 mi

Top 41%
×4
+66ft-88ft

Overall

11818

Females

3074

F18-39

3074

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10820

Females

2679

F18-39

2679

30K→20M

18.6 - 20.0 mi

Top 34%
×5
+64ft-50ft

Overall

9941

Females

2371

F18-39

2371

20M→21M

20.0 - 21.0 mi

Top 46%
×8
+106ft-24ft

Overall

13454

Females

4282

F18-39

4282

21M→35K

21.0 - 21.8 mi

Top 39%
×7
+17ft-86ft

Overall

11424

Females

3224

F18-39

3224

35K→23M

21.8 - 23.0 mi

Top 44%
×5
+23ft-63ft

Overall

12854

Females

4059

F18-39

4059

23M→24M

23.0 - 24.0 mi

Top 34%
×6
+12ft-82ft

Overall

9748

Females

2558

F18-39

2558

24M→40K

24.0 - 24.9 mi

Top 30%
×1
+6ft-20ft

Overall

8812

Females

2195

F18-39

2195

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8032

Females

1914

F18-39

1914

25.2M→FINISH

25.2 - 26.2 mi

Top 26%
×2
+22ft-21ft

Overall

7487

Females

1704

F18-39

1704

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3301*
Passed By
556
Net Change
+2745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14643
5K → 10K550*149+401#14643#14242
10K → 15K352*78+274#14242#13968
15K → 20K385*31+354#13968#13614
20K → HALF828+74#13614#13540
HALF → 25K309*14+295#13540#13245
25K → 30K485*16+469#13245#12776
30K → 20M252*5+247#12776#12529
20M → 21M61124-63#12529#12592
21M → 35K9020+70#12592#12522
35K → 23M87870#12522#12522
23M → 24M14710+137#12522#12385
24M → 40K1767+169#12385#12216
40K → 25.2M961+95#12216#12121
25.2M → FINISH229*6+223#12121#11898
TOTALS3301*556+2745

* 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