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BOSTON MARATHON 2026

Chloé Desmedt

Bib: 12784•F

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 32%
Gender (Female)
#0 / 12578
Top 15%
Age Group (F18-39)
#0 / 5716
Top 28%
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
22:33
3.11 mi
Rank: #10693
Start → 5K
22:33 | 7:16/mi
10K
43:51
6.21 mi
Rank: #9012 (+1681)
5K → 10K
21:18 | 6:52/mi
15K
1:05:08
9.32 mi
Rank: #8498 (+514)
10K → 15K
21:18 | 6:52/mi
20K
1:26:41
12.43 mi
Rank: #8192 (+306)
15K → 20K
21:33 | 6:57/mi
HALF
1:31:26
13.11 mi
Rank: #8197 (-5)
20K → HALF
4:45 | 6:59/mi
25K
1:48:40
15.53 mi
Rank: #8139 (+58)
HALF → 25K
17:14 | 7:07/mi
30K
2:14:50
18.64 mi
Rank: #9522 (-1383)
25K → 30K
26:10 | 8:26/mi
20M
2:24:52
20.00 mi
Rank: #9395 (+127)
30K → 20M
10:02 | 7:24/mi
21M
2:32:48
21.00 mi
Rank: #9354 (+41)
20M → 21M
7:56 | 7:56/mi
35K
2:38:19
21.75 mi
Rank: #9332 (+22)
21M → 35K
5:31 | 7:23/mi
23M
2:48:54
23.00 mi
Rank: #9658 (-326)
35K → 23M
10:35 | 8:28/mi
24M
2:56:20
24.00 mi
Rank: #9635 (+23)
23M → 24M
7:26 | 7:26/mi
40K
3:02:45
24.85 mi
Rank: #9570 (+65)
24M → 40K
6:25 | 7:31/mi
25.2M
3:05:33
25.20 mi
Rank: #9543 (+27)
40K → 25.2M
2:48 | 8:08/mi
FINISH
3:12:41
26.22 mi
Rank: #9419 (+124)
25.2M → FINISH
7:08 | 7:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:31:26
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:41:15
Pace7:44 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2122:337:1622:33
7:16
-
10K
6.21 mi11:12:3843:517:0421:18
6:52
-0:24
15K
9.32 mi11:33:561:05:087:0021:18
6:52
0:00
20K
12.43 mi11:55:291:26:416:5921:33
6:57
+0:05
HALF
13.11 mi12:00:141:31:266:594:45
6:59
+0:02
25K
15.53 mi12:17:281:48:407:0017:14
7:07
+0:08
30K
18.64 mi12:43:382:14:507:1426:10
8:26
+1:19
20M
20.00 mi12:53:402:24:527:1510:02
7:24
-1:02
21M
21.00 mi13:01:362:32:487:177:56
7:56
+0:32
35K
21.75 mi13:07:072:38:197:175:31
7:23
-0:33
23M
23.00 mi13:17:422:48:547:2110:35
8:28
+1:05
24M
24.00 mi13:25:082:56:207:217:26
7:26
-1:02
40K
24.85 mi13:31:333:02:457:226:25
7:31
+0:05
25.2M
25.20 mi13:34:213:05:337:222:48
8:08
+0:37
FINISH
26.22 mi13:41:293:12:417:227:08
7:00
-1:08

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

6:52 /mi

Average Pace

7:21 /mi

Slowest Pace

8:28 /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

1:33:15

48% of race

Time at Steady Pace

51:57

27% of race

Time at Slower Pace

47:29

25% of race

Average Pace: 7:21 /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 mi10:51:2122:337:1622:33
7:16
#10693
10K
6.21 mi11:12:3843:517:0421:18
6:52
#9012
15K
9.32 mi11:33:561:05:087:0021:18
6:52
#8498
20K
12.43 mi11:55:291:26:416:5921:33
6:57
#8192
HALF
13.11 mi12:00:141:31:266:594:45
6:59
#8197
25K
15.53 mi12:17:281:48:407:0017:14
7:07
#8139
30K
18.64 mi12:43:382:14:507:1426:10
8:26
#9522
20M
20.00 mi12:53:402:24:527:1510:02
7:24
#9395
21M
21.00 mi13:01:362:32:487:177:56
7:56
#9354
35K
21.75 mi13:07:072:38:197:175:31
7:23
#9332
23M
23.00 mi13:17:422:48:547:2110:35
8:28
#9658
24M
24.00 mi13:25:082:56:207:217:26
7:26
#9635
40K
24.85 mi13:31:333:02:457:226:25
7:31
#9570
25.2M
25.20 mi13:34:213:05:337:222:48
8:08
#9543
FINISH
26.22 mi13:41:293:12:417:227:08
7:00
#9419
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

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 mi10693222222227367(Top 25%)920(Top 7%)920(Top 16%)
10K6.21 mi3.10 mi9012+16811452+7701452+7707499(Top 26%)938(Top 7%)938(Top 16%)
15K9.32 mi3.11 mi8498+5141276+1761276+1767367(Top 25%)920(Top 7%)920(Top 16%)
20K12.43 mi3.11 mi8192+3061174+1021174+1027423(Top 26%)959(Top 8%)959(Top 17%)
HALF13.11 mi0.68 mi8197-51180-61180-68517(Top 29%)1320(Top 10%)1320(Top 23%)
25K15.53 mi2.42 mi8139+581163+171163+178204(Top 28%)1323(Top 11%)1323(Top 23%)
30K18.64 mi3.11 mi9522-13831803-6401803-64016400(Top 57%)5746(Top 46%)5746(Top 101%)
20M20.00 mi1.36 mi9395+1271775+281775+288337(Top 29%)1639(Top 13%)1639(Top 29%)
21M21.00 mi1.00 mi9354+411771+41771+49469(Top 33%)2237(Top 18%)2237(Top 39%)
35K21.75 mi0.75 mi9332+221774-31774-39918(Top 34%)2441(Top 19%)2441(Top 43%)
23M23.00 mi1.25 mi9658-3261967-1931967-19315432(Top 53%)5499(Top 44%)5499(Top 96%)
24M24.00 mi1.00 mi9635+231973-61973-69617(Top 33%)2476(Top 20%)2476(Top 43%)
40K24.85 mi0.85 mi9570+651965+81965+88901(Top 31%)2217(Top 18%)2217(Top 39%)
25.2M25.20 mi0.35 mi9543+27196519659139(Top 31%)2404(Top 19%)2404(Top 42%)
FINISH26.22 mi1.02 mi9419+1241949+161949+167595(Top 26%)1736(Top 14%)1736(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7367

Females

920

F18-39

920

5K→10K

3.1 - 6.2 mi

Top 26%
×5
+79ft-138ft

Overall

7499

Females

938

F18-39

938

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7367

Females

920

F18-39

920

15K→20K

9.3 - 12.4 mi

Top 26%
×5
+106ft-86ft

Overall

7423

Females

959

F18-39

959

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8517

Females

1320

F18-39

1320

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8204

Females

1323

F18-39

1323

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16400

Females

5746

F18-39

5746

30K→20M

18.6 - 20.0 mi

Top 29%
×5
+64ft-50ft

Overall

8337

Females

1639

F18-39

1639

20M→21M

20.0 - 21.0 mi

Top 33%
×8
+106ft-24ft

Overall

9469

Females

2237

F18-39

2237

21M→35K

21.0 - 21.8 mi

Top 34%
×7
+17ft-86ft

Overall

9918

Females

2441

F18-39

2441

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15432

Females

5499

F18-39

5499

23M→24M

23.0 - 24.0 mi

Top 33%
×6
+12ft-82ft

Overall

9617

Females

2476

F18-39

2476

24M→40K

24.0 - 24.9 mi

Top 31%
×1
+6ft-20ft

Overall

8901

Females

2217

F18-39

2217

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1
+13ft-16ft

Overall

9139

Females

2404

F18-39

2404

25.2M→FINISH

25.2 - 26.2 mi

Top 26%
×2
+22ft-21ft

Overall

7595

Females

1736

F18-39

1736

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3457*
Passed By
810
Net Change
+1274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10693
5K → 10K1683*2+1681#10693#9012
10K → 15K523*9+514#9012#8498
15K → 20K321*15+306#8498#8192
20K → HALF2328-5#8192#8197
HALF → 25K14183+58#8197#8139
25K → 30K21200-1383#8139#9522
30K → 20M15831+127#9522#9395
20M → 21M10160+41#9395#9354
21M → 35K6341+22#9354#9332
35K → 23M43200-326#9332#9658
23M → 24M8158+23#9658#9635
24M → 40K11045+65#9635#9570
40K → 25.2M4114+27#9570#9543
25.2M → FINISH14824+124#9543#9419
TOTALS3457*810+1274

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing