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BOSTON MARATHON 2025

Harald Huijssoon

Bib: 1108•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:39
Rank: #1095
Start → 5K
18:39 | 6:00/mi
10K· 6.21 mi
37:27
Rank: #1161 (-66)
5K → 10K
18:48 | 6:03/mi
15K· 9.32 mi
56:16
Rank: #1165 (-4)
10K → 15K
18:49 | 6:03/mi
20K· 12.43 mi
1:15:10
Rank: #1129 (+36)
15K → 20K
18:54 | 6:05/mi
Half· 13.11 mi
1:19:13
Rank: #1117 (+12)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:34:02
Rank: #1099 (+18)
Half → 25K
14:49 | 6:07/mi
30K· 18.64 mi
1:53:43
Rank: #1124 (-25)
25K → 30K
19:41 | 6:20/mi
20M
2:02:42
Rank: #1169 (-45)
30K → 20M
8:59 | 6:37/mi
21M
2:09:59
Rank: #1243 (-74)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:15:16
Rank: #1324 (-81)
21M → 35K
5:17 | 7:04/mi
23M
2:26:17
Rank: #1827 (-503)
35K → 23M
11:01 | 8:48/mi
24M
2:35:37
Rank: #2388 (-561)
23M → 24M
9:20 | 9:20/mi
40K· 24.85 mi
2:43:58
Rank: #2901 (-513)
24M → 40K
8:21 | 9:46/mi
25.2M
2:47:25
Rank: #3057 (-156)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
2:55:58
Rank: #3479 (-422)
25.2M → Finish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:13
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:36:45
Pace7:23 /mi
📊Positive Split: 22.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4118:396:0018:39
6:00
-
10K
6.21 mi10:37:2937:276:0218:48
6:03
+0:03
15K
9.32 mi10:56:1856:166:0218:49
6:03
0:00
20K
12.43 mi11:15:121:15:106:0318:54
6:05
+0:02
Half
13.11 mi11:19:151:19:136:034:03
5:56
-0:09
25K
15.53 mi11:34:041:34:026:0314:49
6:07
+0:11
30K
18.64 mi11:53:451:53:436:0619:41
6:20
+0:13
20M
20.00 mi12:02:442:02:426:088:59
6:37
+0:17
21M
21.00 mi12:10:012:09:596:117:17
7:17
+0:40
35K
21.75 mi12:15:182:15:166:135:17
7:04
-0:13
23M
23.00 mi12:26:192:26:176:2211:01
8:48
+1:44
24M
24.00 mi12:35:392:35:376:299:20
9:20
+0:32
40K
24.85 mi12:44:002:43:586:368:21
9:46
+0:26
25.2M
25.20 mi12:47:272:47:256:393:27
10:00
+0:14
Finish
26.22 mi12:56:002:55:586:438:33
8:23
-1:37

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

5:56 /mi

Average Pace

6:43 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:15:16

77% of race

Time at Slower Pace

40:42

23% of race

Average Pace: 6:43 /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 mi10:18:4118:396:0018:39
6:00
#1095
10K
6.21 mi10:37:2937:276:0218:48
6:03
#1161
15K
9.32 mi10:56:1856:166:0218:49
6:03
#1165
20K
12.43 mi11:15:121:15:106:0318:54
6:05
#1129
Half
13.11 mi11:19:151:19:136:034:03
5:56
#1117
25K
15.53 mi11:34:041:34:026:0314:49
6:07
#1099
30K
18.64 mi11:53:451:53:436:0619:41
6:20
#1124
20M
20.00 mi12:02:442:02:426:088:59
6:37
#1169
21M
21.00 mi12:10:012:09:596:117:17
7:17
#1243
35K
21.75 mi12:15:182:15:166:135:17
7:04
#1324
23M
23.00 mi12:26:192:26:176:2211:01
8:48
#1827
24M
24.00 mi12:35:392:35:376:299:20
9:20
#2388
40K
24.85 mi12:44:002:43:586:368:21
9:46
#2901
25.2M
25.20 mi12:47:272:47:256:393:27
10:00
#3057
Finish
26.22 mi12:56:002:55:586:438:33
8:23
#3479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1095103610361224(Top 4%)1162(Top 7%)1162(Top 52%)
10K6.21 mi3.10 mi1161-661098-621098-621290(Top 5%)1225(Top 8%)1225(Top 55%)
15K9.32 mi3.11 mi1165-41103-51103-51224(Top 4%)1162(Top 7%)1162(Top 52%)
20K12.43 mi3.11 mi1129+361069+341069+341125(Top 4%)1061(Top 7%)1061(Top 47%)
Half13.11 mi0.68 mi1117+121057+121057+12979(Top 3%)929(Top 6%)929(Top 41%)
25K15.53 mi2.42 mi1099+181038+191038+191141(Top 4%)1077(Top 7%)1077(Top 48%)
30K18.64 mi3.11 mi1124-251060-221060-221327(Top 5%)1254(Top 8%)1254(Top 56%)
20M20.00 mi1.36 mi1169-451103-431103-432085(Top 7%)1974(Top 12%)1974(Top 88%)
21M21.00 mi1.00 mi1243-741172-691172-693558(Top 13%)3257(Top 20%)3257(Top 145%)
35K21.75 mi0.75 mi1324-811250-781250-785764(Top 20%)4900(Top 30%)4900(Top 218%)
23M23.00 mi1.25 mi1827-5031733-4831733-48315078(Top 53%)9653(Top 60%)9653(Top 430%)
24M24.00 mi1.00 mi2388-5612273-5402273-54018925(Top 67%)11361(Top 71%)11361(Top 506%)
40K24.85 mi0.85 mi2901-5132744-4712744-47119667(Top 69%)11632(Top 72%)11632(Top 518%)
25.2M25.20 mi0.35 mi3057-1562883-1392883-13916943(Top 60%)10308(Top 64%)10308(Top 459%)
Finish26.22 mi1.02 mi3479-4223250-3673250-36715459(Top 54%)9674(Top 60%)9674(Top 431%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1224

Males

1162

M40-44

1162

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1290

Males

1225

M40-44

1225

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1224

Males

1162

M40-44

1162

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1125

Males

1061

M40-44

1061

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

979

Males

929

M40-44

929

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1141

Males

1077

M40-44

1077

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1327

Males

1254

M40-44

1254

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2085

Males

1974

M40-44

1974

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3558

Males

3257

M40-44

3257

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5764

Males

4900

M40-44

4900

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15078

Males

9653

M40-44

9653

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

18925

Males

11361

M40-44

11361

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19667

Males

11632

M40-44

11632

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16943

Males

10308

M40-44

10308

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15459

Males

9674

M40-44

9674

Passing Analysis

Category:
Athletes Passed
261
Passed By
2645
Net Change
-2384
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1095
5K → 10K3298-66#1095#1161
10K → 15K3034-4#1161#1165
15K → 20K5721+36#1165#1129
20K → Half131+12#1129#1117
Half → 25K3921+18#1117#1099
25K → 30K4469-25#1099#1124
30K → 20M1762-45#1124#1169
20M → 21M1286-74#1169#1243
21M → 35K788-81#1243#1324
35K → 23M3506-503#1324#1827
23M → 24M2563-561#1827#2388
24M → 40K1514-513#2388#2901
40K → 25.2M2158-156#2901#3057
25.2M → Finish2424-422#3057#3479
TOTALS2612645-2384
📊

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