Boston Marathon logo
BOSTON MARATHON 2025

Bouke Kooiman

Bib: 7306•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 25%
Division (M18-39)
#0 / 5642
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #5304
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
41:48
Rank: #5640 (-336)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:03:04
Rank: #5882 (-242)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:24:32
Rank: #5961 (-79)
15K → 20K
21:28 | 6:55/mi
Half· 13.11 mi
1:29:04
Rank: #5900 (+61)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:45:27
Rank: #5610 (+290)
Half → 25K
16:23 | 6:45/mi
30K· 18.64 mi
2:06:59
Rank: #5267 (+343)
25K → 30K
21:32 | 6:56/mi
20M
2:16:22
Rank: #5089 (+178)
30K → 20M
9:23 | 6:54/mi
21M
2:23:32
Rank: #4896 (+193)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:28:30
Rank: #4796 (+100)
21M → 35K
4:58 | 6:38/mi
23M
2:37:01
Rank: #4605 (+191)
35K → 23M
8:31 | 6:48/mi
24M
2:43:36
Rank: #4444 (+161)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:49:24
Rank: #4344 (+100)
24M → 40K
5:48 | 6:47/mi
25.2M
2:51:59
Rank: #4312 (+32)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:58:49
Rank: #4289 (+23)
25.2M → Finish
6:50 | 6:42/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:04
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:45
Pace6:51 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:4820:466:4120:46
6:41
-
10K
6.21 mi10:47:5041:486:4421:02
6:46
+0:05
15K
9.32 mi11:09:061:03:046:4621:16
6:51
+0:05
20K
12.43 mi11:30:341:24:326:4821:28
6:55
+0:04
Half
13.11 mi11:35:061:29:046:484:32
6:39
-0:16
25K
15.53 mi11:51:291:45:276:4716:23
6:45
+0:06
30K
18.64 mi12:13:012:06:596:4921:32
6:56
+0:11
20M
20.00 mi12:22:242:16:226:499:23
6:54
-0:02
21M
21.00 mi12:29:342:23:326:507:10
7:10
+0:16
35K
21.75 mi12:34:322:28:306:504:58
6:38
-0:32
23M
23.00 mi12:43:032:37:016:508:31
6:48
+0:10
24M
24.00 mi12:49:382:43:366:496:35
6:35
-0:13
40K
24.85 mi12:55:262:49:246:495:48
6:47
+0:12
25.2M
25.20 mi12:58:012:51:596:492:35
7:29
+0:42
Finish
26.22 mi13:04:512:58:496:506:50
6:42
-0:47

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

6:35 /mi

Average Pace

6:50 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:14

99% of race

Time at Steady Pace

2:35

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:26:4820:466:4120:46
6:41
#5304
10K
6.21 mi10:47:5041:486:4421:02
6:46
#5640
15K
9.32 mi11:09:061:03:046:4621:16
6:51
#5882
20K
12.43 mi11:30:341:24:326:4821:28
6:55
#5961
Half
13.11 mi11:35:061:29:046:484:32
6:39
#5900
25K
15.53 mi11:51:291:45:276:4716:23
6:45
#5610
30K
18.64 mi12:13:012:06:596:4921:32
6:56
#5267
20M
20.00 mi12:22:242:16:226:499:23
6:54
#5089
21M
21.00 mi12:29:342:23:326:507:10
7:10
#4896
35K
21.75 mi12:34:322:28:306:504:58
6:38
#4796
23M
23.00 mi12:43:032:37:016:508:31
6:48
#4605
24M
24.00 mi12:49:382:43:366:496:35
6:35
#4444
40K
24.85 mi12:55:262:49:246:495:48
6:47
#4344
25.2M
25.20 mi12:58:012:51:596:492:35
7:29
#4312
Finish
26.22 mi13:04:512:58:496:506:50
6:42
#4289
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5304493549356517(Top 23%)5879(Top 37%)5879(Top 104%)
10K6.21 mi3.10 mi5640-3365212-2775212-2776047(Top 21%)5524(Top 34%)5524(Top 98%)
15K9.32 mi3.11 mi5882-2425398-1865398-1866517(Top 23%)5879(Top 37%)5879(Top 104%)
20K12.43 mi3.11 mi5961-795453-555453-556266(Top 22%)5638(Top 35%)5638(Top 100%)
Half13.11 mi0.68 mi5900+615406+475406+474824(Top 17%)4484(Top 28%)4484(Top 79%)
25K15.53 mi2.42 mi5610+2905153+2535153+2534549(Top 16%)4205(Top 26%)4205(Top 75%)
30K18.64 mi3.11 mi5267+3434839+3144839+3144281(Top 15%)3931(Top 24%)3931(Top 70%)
20M20.00 mi1.36 mi5089+1784683+1564683+1563568(Top 13%)3290(Top 20%)3290(Top 58%)
21M21.00 mi1.00 mi4896+1934515+1684515+1683015(Top 11%)2789(Top 17%)2789(Top 49%)
35K21.75 mi0.75 mi4796+1004422+934422+933190(Top 11%)2932(Top 18%)2932(Top 52%)
23M23.00 mi1.25 mi4605+1914245+1774245+1772736(Top 10%)2519(Top 16%)2519(Top 45%)
24M24.00 mi1.00 mi4444+1614100+1454100+1452442(Top 9%)2258(Top 14%)2258(Top 40%)
40K24.85 mi0.85 mi4344+1004004+964004+962781(Top 10%)2525(Top 16%)2525(Top 45%)
25.2M25.20 mi0.35 mi4312+323973+313973+313404(Top 12%)2994(Top 19%)2994(Top 53%)
Finish26.22 mi1.02 mi4289+233946+273946+273911(Top 14%)3376(Top 21%)3376(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6517

Males

5879

M18-39

5879

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6047

Males

5524

M18-39

5524

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6517

Males

5879

M18-39

5879

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6266

Males

5638

M18-39

5638

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4824

Males

4484

M18-39

4484

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4549

Males

4205

M18-39

4205

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4281

Males

3931

M18-39

3931

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3568

Males

3290

M18-39

3290

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3015

Males

2789

M18-39

2789

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3190

Males

2932

M18-39

2932

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2736

Males

2519

M18-39

2519

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2442

Males

2258

M18-39

2258

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2781

Males

2525

M18-39

2525

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3404

Males

2994

M18-39

2994

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3911

Males

3376

M18-39

3376

Passing Analysis

Category:
Athletes Passed
2035
Passed By
1020
Net Change
+1015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5304
5K → 10K71407-336#5304#5640
10K → 15K65307-242#5640#5882
15K → 20K113192-79#5882#5961
20K → Half643+61#5961#5900
Half → 25K2955+290#5900#5610
25K → 30K37027+343#5610#5267
30K → 20M1868+178#5267#5089
20M → 21M2007+193#5089#4896
21M → 35K1077+100#4896#4796
35K → 23M1987+191#4796#4605
23M → 24M1665+161#4605#4444
24M → 40K1066+100#4444#4344
40K → 25.2M375+32#4344#4312
25.2M → Finish5734+23#4312#4289
TOTALS20351020+1015
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing