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BOSTON MARATHON 2025

Suvi Kouki

Bib: 19053•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Masters (Masters Women)
#0 / 6759
Top 9%
Division (F40-44)
#0 / 1718
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #12528
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
46:18
Rank: #11714 (+814)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:09:24
Rank: #11500 (+214)
10K → 15K
23:06 | 7:26/mi
20K· 12.43 mi
1:32:54
Rank: #11426 (+74)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:37:54
Rank: #11383 (+43)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:56:23
Rank: #11269 (+114)
Half → 25K
18:29 | 7:37/mi
30K· 18.64 mi
2:21:15
Rank: #11263 (+6)
25K → 30K
24:52 | 8:00/mi
20M
2:32:13
Rank: #11175 (+88)
30K → 20M
10:58 | 8:04/mi
21M
2:40:53
Rank: #11160 (+15)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
2:46:52
Rank: #11179 (-19)
21M → 35K
5:59 | 8:00/mi
23M
2:56:57
Rank: #11081 (+98)
35K → 23M
10:05 | 8:03/mi
24M
3:04:51
Rank: #11016 (+65)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:11:54
Rank: #11029 (-13)
24M → 40K
7:03 | 8:15/mi
25.2M
3:14:58
Rank: #11011 (+18)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:22:45
Rank: #10958 (+53)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:54
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:44:51
Pace8:00 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4823:247:3223:24
7:32
-
10K
6.21 mi11:38:4246:187:2722:54
7:22
-0:10
15K
9.32 mi12:01:481:09:247:2723:06
7:26
+0:04
20K
12.43 mi12:25:181:32:547:2923:30
7:34
+0:08
Half
13.11 mi12:30:181:37:547:285:00
7:20
-0:14
25K
15.53 mi12:48:471:56:237:3018:29
7:37
+0:17
30K
18.64 mi13:13:392:21:157:3524:52
8:00
+0:23
20M
20.00 mi13:24:372:32:137:3710:58
8:04
+0:04
21M
21.00 mi13:33:172:40:537:408:40
8:40
+0:36
35K
21.75 mi13:39:162:46:527:405:59
8:00
-0:40
23M
23.00 mi13:49:212:56:577:4210:05
8:03
+0:03
24M
24.00 mi13:57:153:04:517:427:54
7:54
-0:09
40K
24.85 mi14:04:183:11:547:437:03
8:15
+0:21
25.2M
25.20 mi14:07:223:14:587:443:04
8:54
+0:39
Finish
26.22 mi14:15:093:22:457:447:47
7:38
-1:16

Checkpoints & Pacing

📈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

7:20 /mi

Average Pace

7:44 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:10

61% of race

Time at Steady Pace

59:48

29% of race

Time at Slower Pace

18:47

9% of race

Average Pace: 7:44 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:15:4823:247:3223:24
7:32
#12528
10K
6.21 mi11:38:4246:187:2722:54
7:22
#11714
15K
9.32 mi12:01:481:09:247:2723:06
7:26
#11500
20K
12.43 mi12:25:181:32:547:2923:30
7:34
#11426
Half
13.11 mi12:30:181:37:547:285:00
7:20
#11383
25K
15.53 mi12:48:471:56:237:3018:29
7:37
#11269
30K
18.64 mi13:13:392:21:157:3524:52
8:00
#11263
20M
20.00 mi13:24:372:32:137:3710:58
8:04
#11175
21M
21.00 mi13:33:172:40:537:408:40
8:40
#11160
35K
21.75 mi13:39:162:46:527:405:59
8:00
#11179
23M
23.00 mi13:49:212:56:577:4210:05
8:03
#11081
24M
24.00 mi13:57:153:04:517:427:54
7:54
#11016
40K
24.85 mi14:04:183:11:547:437:03
8:15
#11029
25.2M
25.20 mi14:07:223:14:587:443:04
8:54
#11011
Finish
26.22 mi14:15:093:22:457:447:47
7:38
#10958
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi125283075307511207(Top 39%)2480(Top 20%)2480(Top 144%)
10K6.21 mi3.10 mi11714+8142652+4232652+42310940(Top 39%)2281(Top 19%)2281(Top 133%)
15K9.32 mi3.11 mi11500+2142582+702582+7011207(Top 39%)2480(Top 20%)2480(Top 144%)
20K12.43 mi3.11 mi11426+742568+142568+1411297(Top 40%)2628(Top 21%)2628(Top 153%)
Half13.11 mi0.68 mi11383+432547+212547+2110360(Top 36%)2140(Top 18%)2140(Top 125%)
25K15.53 mi2.42 mi11269+1142521+262521+2610963(Top 39%)2568(Top 21%)2568(Top 149%)
30K18.64 mi3.11 mi11263+62603-822603-8211412(Top 40%)2982(Top 24%)2982(Top 174%)
20M20.00 mi1.36 mi11175+882596+72596+710911(Top 38%)2898(Top 24%)2898(Top 169%)
21M21.00 mi1.00 mi11160+152637-412637-4111486(Top 40%)3341(Top 27%)3341(Top 194%)
35K21.75 mi0.75 mi11179-192663-262663-2612264(Top 43%)3771(Top 31%)3771(Top 219%)
23M23.00 mi1.25 mi11081+982659+42659+410441(Top 37%)2964(Top 24%)2964(Top 173%)
24M24.00 mi1.00 mi11016+652666-72666-710560(Top 37%)3071(Top 25%)3071(Top 179%)
40K24.85 mi0.85 mi11029-132708-422708-4211842(Top 42%)3829(Top 31%)3829(Top 223%)
25.2M25.20 mi0.35 mi11011+182716-82716-811227(Top 40%)3601(Top 29%)3601(Top 210%)
Finish26.22 mi1.02 mi10958+532722-62722-610244(Top 36%)3104(Top 25%)3104(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11207

Females

2480

F40-44

2480

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10940

Females

2281

F40-44

2281

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11207

Females

2480

F40-44

2480

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11297

Females

2628

F40-44

2628

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10360

Females

2140

F40-44

2140

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10963

Females

2568

F40-44

2568

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11412

Females

2982

F40-44

2982

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10911

Females

2898

F40-44

2898

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11486

Females

3341

F40-44

3341

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12264

Females

3771

F40-44

3771

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10441

Females

2964

F40-44

2964

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10560

Females

3071

F40-44

3071

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11842

Females

3829

F40-44

3829

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11227

Females

3601

F40-44

3601

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10244

Females

3104

F40-44

3104

Passing Analysis

Category:
Athletes Passed
2657
Passed By
1087
Net Change
+1570
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12528
5K → 10K85945+814#12528#11714
10K → 15K29278+214#11714#11500
15K → 20K217143+74#11500#11426
20K → Half518+43#11426#11383
Half → 25K215101+114#11383#11269
25K → 30K236230+6#11269#11263
30K → 20M15365+88#11263#11175
20M → 21M10994+15#11175#11160
21M → 35K4766-19#11160#11179
35K → 23M15557+98#11179#11081
23M → 24M11146+65#11081#11016
24M → 40K7588-13#11016#11029
40K → 25.2M4729+18#11029#11011
25.2M → Finish9037+53#11011#10958
TOTALS26571087+1570
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing