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BOSTON MARATHON 2026

Anna Tsoumi

Bib: 10477•F

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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
24:48
3.11 mi
Rank: #16821
Start → 5K
24:48 | 7:59/mi
10K
48:27
6.21 mi
Rank: #15452 (+1369)
5K → 10K
23:39 | 7:37/mi
15K
1:10:51
9.32 mi
Rank: #13689 (+1763)
10K → 15K
22:24 | 7:13/mi
20K
1:33:21
12.43 mi
Rank: #12693 (+996)
15K → 20K
22:30 | 7:15/mi
HALF
1:38:16
13.11 mi
Rank: #12574 (+119)
20K → HALF
4:55 | 7:13/mi
25K
1:56:06
15.53 mi
Rank: #12171 (+403)
HALF → 25K
17:50 | 7:22/mi
30K
2:20:08
18.64 mi
Rank: #12009 (+162)
25K → 30K
24:02 | 7:45/mi
20M
2:30:55
20.00 mi
Rank: #12042 (-33)
30K → 20M
10:47 | 7:57/mi
21M
2:39:20
21.00 mi
Rank: #12059 (-17)
20M → 21M
8:25 | 8:25/mi
35K
2:45:25
21.75 mi
Rank: #12179 (-120)
21M → 35K
6:05 | 8:08/mi
23M
2:55:05
23.00 mi
Rank: #12033 (+146)
35K → 23M
9:40 | 7:44/mi
24M
3:03:03
24.00 mi
Rank: #12086 (-53)
23M → 24M
7:58 | 7:58/mi
40K
3:09:44
24.85 mi
Rank: #12016 (+70)
24M → 40K
6:41 | 7:50/mi
25.2M
3:12:38
25.20 mi
Rank: #11984 (+32)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:20:09
26.22 mi
Rank: #11897 (+87)
25.2M → FINISH
7:31 | 7:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:16
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:41:53
Pace7:47 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0424:487:5924:48
7:59
-
10K
6.21 mi11:16:4348:277:4823:39
7:37
-0:22
15K
9.32 mi11:39:071:10:517:3722:24
7:13
-0:24
20K
12.43 mi12:01:371:33:217:3122:30
7:15
+0:02
HALF
13.11 mi12:06:321:38:167:304:55
7:13
-0:02
25K
15.53 mi12:24:221:56:067:2917:50
7:22
+0:09
30K
18.64 mi12:48:242:20:087:3224:02
7:45
+0:23
20M
20.00 mi12:59:112:30:557:3310:47
7:57
+0:12
21M
21.00 mi13:07:362:39:207:368:25
8:25
+0:28
35K
21.75 mi13:13:412:45:257:376:05
8:08
-0:17
23M
23.00 mi13:23:212:55:057:379:40
7:44
-0:24
24M
24.00 mi13:31:193:03:037:387:58
7:58
+0:14
40K
24.85 mi13:38:003:09:447:396:41
7:50
-0:08
25.2M
25.20 mi13:40:543:12:387:392:54
8:25
+0:35
FINISH
26.22 mi13:48:253:20:097:397:31
7:23
-1:02

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

7:13 /mi

Average Pace

7:38 /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

2:19:12

70% of race

Time at Steady Pace

1:00:57

30% of race

Time at Slower Pace

0:00

0% 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 mi10:53:0424:487:5924:48
7:59
#16821
10K
6.21 mi11:16:4348:277:4823:39
7:37
#15452
15K
9.32 mi11:39:071:10:517:3722:24
7:13
#13689
20K
12.43 mi12:01:371:33:217:3122:30
7:15
#12693
HALF
13.11 mi12:06:321:38:167:304:55
7:13
#12574
25K
15.53 mi12:24:221:56:067:2917:50
7:22
#12171
30K
18.64 mi12:48:242:20:087:3224:02
7:45
#12009
20M
20.00 mi12:59:112:30:557:3310:47
7:57
#12042
21M
21.00 mi13:07:362:39:207:368:25
8:25
#12059
35K
21.75 mi13:13:412:45:257:376:05
8:08
#12179
23M
23.00 mi13:23:212:55:057:379:40
7:44
#12033
24M
24.00 mi13:31:193:03:037:387:58
7:58
#12086
40K
24.85 mi13:38:003:09:447:396:41
7:50
#12016
25.2M
25.20 mi13:40:543:12:387:392:54
8:25
#11984
FINISH
26.22 mi13:48:253:20:097:397:31
7:23
#11897
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 mi168215812581210237(Top 35%)2077(Top 17%)2077(Top 36%)
10K6.21 mi3.10 mi15452+13694990+8224990+82213983(Top 48%)4093(Top 33%)4093(Top 72%)
15K9.32 mi3.11 mi13689+17633924+10663924+106610237(Top 35%)2077(Top 17%)2077(Top 36%)
20K12.43 mi3.11 mi12693+9963386+5383386+5389703(Top 33%)1896(Top 15%)1896(Top 33%)
HALF13.11 mi0.68 mi12574+1193318+683318+6810508(Top 36%)2264(Top 18%)2264(Top 40%)
25K15.53 mi2.42 mi12171+4033122+1963122+19610205(Top 35%)2240(Top 18%)2240(Top 39%)
30K18.64 mi3.11 mi12009+1623097+253097+2511520(Top 40%)3044(Top 24%)3044(Top 53%)
20M20.00 mi1.36 mi12042-333129-323129-3212392(Top 43%)3606(Top 29%)3606(Top 63%)
21M21.00 mi1.00 mi12059-173156-273156-2712605(Top 43%)3835(Top 30%)3835(Top 67%)
35K21.75 mi0.75 mi12179-1203238-823238-8215360(Top 53%)5368(Top 43%)5368(Top 94%)
23M23.00 mi1.25 mi12033+1463193+453193+4510482(Top 36%)2850(Top 23%)2850(Top 50%)
24M24.00 mi1.00 mi12086-533256-633256-6313521(Top 47%)4519(Top 36%)4519(Top 79%)
40K24.85 mi0.85 mi12016+703235+213235+2111205(Top 39%)3360(Top 27%)3360(Top 59%)
25.2M25.20 mi0.35 mi11984+323234+13234+111086(Top 38%)3377(Top 27%)3377(Top 59%)
FINISH26.22 mi1.02 mi11897+873208+263208+2610511(Top 36%)3103(Top 25%)3103(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21
+97ft-345ft

Overall

10237

Females

2077

F18-39

2077

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13983

Females

4093

F18-39

4093

10K→15K

6.2 - 9.3 mi

Top 35%
×3
+67ft-78ft

Overall

10237

Females

2077

F18-39

2077

15K→20K

9.3 - 12.4 mi

Top 33%
×5
+106ft-86ft

Overall

9703

Females

1896

F18-39

1896

20K→HALF

12.4 - 13.1 mi

Top 36%
×2
+19ft-37ft

Overall

10508

Females

2264

F18-39

2264

HALF→25K

13.1 - 15.5 mi

Top 35%
×4
+66ft-88ft

Overall

10205

Females

2240

F18-39

2240

25K→30K

15.5 - 18.6 mi

Top 40%
×9
+181ft-148ft

Overall

11520

Females

3044

F18-39

3044

30K→20M

18.6 - 20.0 mi

Top 43%
×5
+64ft-50ft

Overall

12392

Females

3606

F18-39

3606

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12605

Females

3835

F18-39

3835

21M→35K

21.0 - 21.8 mi

Top 53%
×7
+17ft-86ft

Overall

15360

Females

5368

F18-39

5368

35K→23M

21.8 - 23.0 mi

Top 36%
×5
+23ft-63ft

Overall

10482

Females

2850

F18-39

2850

23M→24M

23.0 - 24.0 mi

Top 47%
×6
+12ft-82ft

Overall

13521

Females

4519

F18-39

4519

24M→40K

24.0 - 24.9 mi

Top 39%
×1
+6ft-20ft

Overall

11205

Females

3360

F18-39

3360

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11086

Females

3377

F18-39

3377

25.2M→FINISH

25.2 - 26.2 mi

Top 36%
×2
+22ft-21ft

Overall

10511

Females

3103

F18-39

3103

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
5656*
Passed By
732
Net Change
+4924
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16821
5K → 10K1388*19+1369#16821#15452
10K → 15K1766*3+1763#15452#13689
15K → 20K996*0+996#13689#12693
20K → HALF1223+119#12693#12574
HALF → 25K415*12+403#12574#12171
25K → 30K266*104+162#12171#12009
30K → 20M76109-33#12009#12042
20M → 21M91108-17#12042#12059
21M → 35K24144-120#12059#12179
35K → 23M17327+146#12179#12033
23M → 24M61114-53#12033#12086
24M → 40K10838+70#12086#12016
40K → 25.2M5220+32#12016#11984
25.2M → FINISH11831+87#11984#11897
TOTALS5656*732+4924

* 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