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BOSTON MARATHON 2026

Stéphanie Boillot

Bib: 23471•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Masters (Masters Women)
#0 / 6862
Top 33%
Age Group (F50-54)
#0 / 1233
Top 27%
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
24:15
3.11 mi
Rank: #15481
Start → 5K
24:15 | 7:49/mi
10K
48:38
6.21 mi
Rank: #15737 (-256)
5K → 10K
24:23 | 7:51/mi
15K
1:13:20
9.32 mi
Rank: #15995 (-258)
10K → 15K
24:42 | 7:58/mi
20K
1:38:21
12.43 mi
Rank: #16124 (-129)
15K → 20K
25:01 | 8:04/mi
HALF
1:43:44
13.11 mi
Rank: #16143 (-19)
20K → HALF
5:23 | 7:54/mi
25K
2:03:23
15.53 mi
Rank: #16144 (-1)
HALF → 25K
19:39 | 8:07/mi
30K
2:29:50
18.64 mi
Rank: #16258 (-114)
25K → 30K
26:27 | 8:31/mi
20M
2:41:22
20.00 mi
Rank: #16239 (+19)
30K → 20M
11:32 | 8:30/mi
21M
2:50:36
21.00 mi
Rank: #16270 (-31)
20M → 21M
9:14 | 9:14/mi
35K
2:56:38
21.75 mi
Rank: #16209 (+61)
21M → 35K
6:02 | 8:04/mi
23M
3:07:27
23.00 mi
Rank: #16198 (+11)
35K → 23M
10:49 | 8:39/mi
24M
3:15:54
24.00 mi
Rank: #16196 (+2)
23M → 24M
8:27 | 8:27/mi
40K
3:23:27
24.85 mi
Rank: #16242 (-46)
24M → 40K
7:33 | 8:50/mi
25.2M
3:26:54
25.20 mi
Rank: #16295 (-53)
40K → 25.2M
3:27 | 10:01/mi
FINISH
3:36:11
26.22 mi
Rank: #16527 (-232)
25.2M → FINISH
9:17 | 9:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:44
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:52:27
Pace8:35 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2724:157:4924:15
7:49
-
10K
6.21 mi11:51:5048:387:5024:23
7:51
+0:02
15K
9.32 mi12:16:321:13:207:5324:42
7:58
+0:07
20K
12.43 mi12:41:331:38:217:5525:01
8:04
+0:06
HALF
13.11 mi12:46:561:43:447:555:23
7:54
-0:10
25K
15.53 mi13:06:352:03:237:5719:39
8:07
+0:13
30K
18.64 mi13:33:022:29:508:0326:27
8:31
+0:24
20M
20.00 mi13:44:342:41:228:0511:32
8:30
-0:01
21M
21.00 mi13:53:482:50:368:089:14
9:14
+0:44
35K
21.75 mi13:59:502:56:388:086:02
8:04
-1:10
23M
23.00 mi14:10:393:07:278:1010:49
8:39
+0:35
24M
24.00 mi14:19:063:15:548:108:27
8:27
-0:12
40K
24.85 mi14:26:393:23:278:127:33
8:50
+0:23
25.2M
25.20 mi14:30:063:26:548:133:27
10:01
+1:11
FINISH
26.22 mi14:39:233:36:118:169:17
9:07
-0:54

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

7:49 /mi

Average Pace

8:15 /mi

Slowest Pace

10:01 /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

2:09:25

60% of race

Time at Steady Pace

57:15

26% of race

Time at Slower Pace

29:31

14% of race

Average Pace: 8:15 /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 mi11:27:2724:157:4924:15
7:49
#15481
10K
6.21 mi11:51:5048:387:5024:23
7:51
#15737
15K
9.32 mi12:16:321:13:207:5324:42
7:58
#15995
20K
12.43 mi12:41:331:38:217:5525:01
8:04
#16124
HALF
13.11 mi12:46:561:43:447:555:23
7:54
#16143
25K
15.53 mi13:06:352:03:237:5719:39
8:07
#16144
30K
18.64 mi13:33:022:29:508:0326:27
8:31
#16258
20M
20.00 mi13:44:342:41:228:0511:32
8:30
#16239
21M
21.00 mi13:53:482:50:368:089:14
9:14
#16270
35K
21.75 mi13:59:502:56:388:086:02
8:04
#16209
23M
23.00 mi14:10:393:07:278:1010:49
8:39
#16198
24M
24.00 mi14:19:063:15:548:108:27
8:27
#16196
40K
24.85 mi14:26:393:23:278:127:33
8:50
#16242
25.2M
25.20 mi14:30:063:26:548:133:27
10:01
#16295
FINISH
26.22 mi14:39:233:36:118:169:17
9:07
#16527
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi154814987498716632(Top 57%)5694(Top 45%)5694(Top 462%)
10K6.21 mi3.10 mi15737-2565166-1795166-17916064(Top 55%)5347(Top 43%)5347(Top 434%)
15K9.32 mi3.11 mi15995-2585326-1605326-16016632(Top 57%)5694(Top 45%)5694(Top 462%)
20K12.43 mi3.11 mi16124-1295424-985424-9816522(Top 57%)5663(Top 45%)5663(Top 459%)
HALF13.11 mi0.68 mi16143-195439-155439-1516406(Top 57%)5594(Top 44%)5594(Top 454%)
25K15.53 mi2.42 mi16144-15449-105449-1016157(Top 56%)5517(Top 44%)5517(Top 447%)
30K18.64 mi3.11 mi16258-1145558-1095558-10917000(Top 59%)6097(Top 48%)6097(Top 494%)
20M20.00 mi1.36 mi16239+195564-65564-616163(Top 56%)5734(Top 46%)5734(Top 465%)
21M21.00 mi1.00 mi16270-315601-375601-3717337(Top 60%)6438(Top 51%)6438(Top 522%)
35K21.75 mi0.75 mi16209+615585+165585+1614973(Top 52%)5178(Top 41%)5178(Top 420%)
23M23.00 mi1.25 mi16198+115595-105595-1016572(Top 57%)6178(Top 49%)6178(Top 501%)
24M24.00 mi1.00 mi16196+25608-135608-1316615(Top 57%)6242(Top 50%)6242(Top 506%)
40K24.85 mi0.85 mi16242-465657-495657-4917566(Top 61%)6812(Top 54%)6812(Top 552%)
25.2M25.20 mi0.35 mi16295-535700-435700-4319444(Top 67%)7777(Top 62%)7777(Top 631%)
FINISH26.22 mi1.02 mi16527-2325843-1435843-14320968(Top 72%)8553(Top 68%)8553(Top 694%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16632

Females

5694

F50-54

5694

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

16064

Females

5347

F50-54

5347

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16632

Females

5694

F50-54

5694

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16522

Females

5663

F50-54

5663

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16406

Females

5594

F50-54

5594

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16157

Females

5517

F50-54

5517

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17000

Females

6097

F50-54

6097

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16163

Females

5734

F50-54

5734

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17337

Females

6438

F50-54

6438

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

14973

Females

5178

F50-54

5178

35K→23M

21.8 - 23.0 mi

Top 57%
×5
+23ft-63ft

Overall

16572

Females

6178

F50-54

6178

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16615

Females

6242

F50-54

6242

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17566

Females

6812

F50-54

6812

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19444

Females

7777

F50-54

7777

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20968

Females

8553

F50-54

8553

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1310
Passed By
1747
Net Change
-1046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15481
5K → 10K197200-256#15481#15737
10K → 15K115200-258#15737#15995
15K → 20K133200-129#15995#16124
20K → HALF3150-19#16124#16143
HALF → 25K151152-1#16143#16144
25K → 30K154200-114#16144#16258
30K → 20M9778+19#16258#16239
20M → 21M87118-31#16239#16270
21M → 35K9130+61#16270#16209
35K → 23M9685+11#16209#16198
23M → 24M6765+2#16198#16196
24M → 40K58104-46#16196#16242
40K → 25.2M1265-53#16242#16295
25.2M → FINISH21200-232#16295#16527
TOTALS13101747-1046
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing