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BOSTON MARATHON 2025

Pieter Henning

Bib: 5449•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Division (M18-39)
#0 / 5642
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #3916
Start → 5K
20:14 | 6:31/mi
10K· 6.21 mi
40:45
Rank: #4195 (-279)
5K → 10K
20:31 | 6:36/mi
15K· 9.32 mi
1:01:25
Rank: #4318 (-123)
10K → 15K
20:40 | 6:39/mi
20K· 12.43 mi
1:22:04
Rank: #4196 (+122)
15K → 20K
20:39 | 6:39/mi
Half· 13.11 mi
1:26:35
Rank: #4207 (-11)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:42:43
Rank: #4082 (+125)
Half → 25K
16:08 | 6:39/mi
30K· 18.64 mi
2:03:55
Rank: #3926 (+156)
25K → 30K
21:12 | 6:49/mi
20M
2:13:23
Rank: #3899 (+27)
30K → 20M
9:28 | 6:58/mi
21M
2:20:55
Rank: #3924 (-25)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:26:05
Rank: #3929 (-5)
21M → 35K
5:10 | 6:54/mi
23M
2:35:05
Rank: #3965 (-36)
35K → 23M
9:00 | 7:11/mi
24M
2:42:15
Rank: #4030 (-65)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:48:34
Rank: #4092 (-62)
24M → 40K
6:19 | 7:23/mi
25.2M
2:51:22
Rank: #4131 (-39)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:58:34
Rank: #4199 (-68)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:35
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:31:59
Pace7:01 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1720:146:3120:14
6:31
-
10K
6.21 mi10:43:4840:456:3320:31
6:36
+0:05
15K
9.32 mi11:04:281:01:256:3520:40
6:39
+0:03
20K
12.43 mi11:25:071:22:046:3620:39
6:39
0:00
Half
13.11 mi11:29:381:26:356:364:31
6:37
-0:02
25K
15.53 mi11:45:461:42:436:3716:08
6:39
+0:02
30K
18.64 mi12:06:582:03:556:3921:12
6:49
+0:10
20M
20.00 mi12:16:262:13:236:409:28
6:58
+0:09
21M
21.00 mi12:23:582:20:556:437:32
7:32
+0:34
35K
21.75 mi12:29:082:26:056:435:10
6:54
-0:38
23M
23.00 mi12:38:082:35:056:459:00
7:11
+0:17
24M
24.00 mi12:45:182:42:156:467:10
7:10
-0:01
40K
24.85 mi12:51:372:48:346:476:19
7:23
+0:13
25.2M
25.20 mi12:54:252:51:226:482:48
8:07
+0:44
Finish
26.22 mi13:01:372:58:346:497:12
7:04
-1:03

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

6:31 /mi

Average Pace

6:49 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:43

58% of race

Time at Steady Pace

43:02

24% of race

Time at Slower Pace

32:49

18% 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 mi10:23:1720:146:3120:14
6:31
#3916
10K
6.21 mi10:43:4840:456:3320:31
6:36
#4195
15K
9.32 mi11:04:281:01:256:3520:40
6:39
#4318
20K
12.43 mi11:25:071:22:046:3620:39
6:39
#4196
Half
13.11 mi11:29:381:26:356:364:31
6:37
#4207
25K
15.53 mi11:45:461:42:436:3716:08
6:39
#4082
30K
18.64 mi12:06:582:03:556:3921:12
6:49
#3926
20M
20.00 mi12:16:262:13:236:409:28
6:58
#3899
21M
21.00 mi12:23:582:20:556:437:32
7:32
#3924
35K
21.75 mi12:29:082:26:056:435:10
6:54
#3929
23M
23.00 mi12:38:082:35:056:459:00
7:11
#3965
24M
24.00 mi12:45:182:42:156:467:10
7:10
#4030
40K
24.85 mi12:51:372:48:346:476:19
7:23
#4092
25.2M
25.20 mi12:54:252:51:226:482:48
8:07
#4131
Finish
26.22 mi13:01:372:58:346:497:12
7:04
#4199
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3916370637064649(Top 16%)4350(Top 27%)4350(Top 77%)
10K6.21 mi3.10 mi4195-2793947-2413947-2414488(Top 16%)4204(Top 26%)4204(Top 75%)
15K9.32 mi3.11 mi4318-1234060-1134060-1134649(Top 16%)4350(Top 27%)4350(Top 77%)
20K12.43 mi3.11 mi4196+1223947+1133947+1133983(Top 14%)3745(Top 23%)3745(Top 66%)
Half13.11 mi0.68 mi4207-113956-93956-94528(Top 16%)4221(Top 26%)4221(Top 75%)
25K15.53 mi2.42 mi4082+1253837+1193837+1193813(Top 13%)3573(Top 22%)3573(Top 63%)
30K18.64 mi3.11 mi3926+1563692+1453692+1453590(Top 13%)3327(Top 21%)3327(Top 59%)
20M20.00 mi1.36 mi3899+273662+303662+303888(Top 14%)3571(Top 22%)3571(Top 63%)
21M21.00 mi1.00 mi3924-253679-173679-174754(Top 17%)4188(Top 26%)4188(Top 74%)
35K21.75 mi0.75 mi3929-53677+23677+24725(Top 17%)4168(Top 26%)4168(Top 74%)
23M23.00 mi1.25 mi3965-363694-173694-174776(Top 17%)4152(Top 26%)4152(Top 74%)
24M24.00 mi1.00 mi4030-653746-523746-525573(Top 20%)4636(Top 29%)4636(Top 82%)
40K24.85 mi0.85 mi4092-623789-433789-436088(Top 21%)4888(Top 30%)4888(Top 87%)
25.2M25.20 mi0.35 mi4131-393815-263815-266475(Top 23%)5004(Top 31%)5004(Top 89%)
Finish26.22 mi1.02 mi4199-683868-533868-536118(Top 22%)4794(Top 30%)4794(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4649

Males

4350

M18-39

4350

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4488

Males

4204

M18-39

4204

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4649

Males

4350

M18-39

4350

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3983

Males

3745

M18-39

3745

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4528

Males

4221

M18-39

4221

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3813

Males

3573

M18-39

3573

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3590

Males

3327

M18-39

3327

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3888

Males

3571

M18-39

3571

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4754

Males

4188

M18-39

4188

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4725

Males

4168

M18-39

4168

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4776

Males

4152

M18-39

4152

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5573

Males

4636

M18-39

4636

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6088

Males

4888

M18-39

4888

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6475

Males

5004

M18-39

5004

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6118

Males

4794

M18-39

4794

Passing Analysis

Category:
Athletes Passed
963
Passed By
1246
Net Change
-283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3916
5K → 10K55334-279#3916#4195
10K → 15K56179-123#4195#4318
15K → 20K16240+122#4318#4196
20K → Half1425-11#4196#4207
Half → 25K15833+125#4207#4082
25K → 30K20448+156#4082#3926
30K → 20M6639+27#3926#3899
20M → 21M5075-25#3899#3924
21M → 35K4146-5#3924#3929
35K → 23M5793-36#3929#3965
23M → 24M3297-65#3965#4030
24M → 40K2688-62#4030#4092
40K → 25.2M1453-39#4092#4131
25.2M → Finish2896-68#4131#4199
TOTALS9631246-283
📊

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