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BOSTON MARATHON 2025

Kevin Harder

Bib: 5452•M

MB

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:08
Rank: #3698
Start → 5K
20:08 | 6:29/mi
10K· 6.21 mi
40:22
Rank: #3749 (-51)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:00:35
Rank: #3696 (+53)
10K → 15K
20:13 | 6:30/mi
20K· 12.43 mi
1:20:37
Rank: #3415 (+281)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:24:52
Rank: #3327 (+88)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:40:25
Rank: #3155 (+172)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
2:01:11
Rank: #3050 (+105)
25K → 30K
20:46 | 6:41/mi
20M
2:10:16
Rank: #2956 (+94)
30K → 20M
9:05 | 6:41/mi
21M
2:17:15
Rank: #2883 (+73)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:22:07
Rank: #2838 (+45)
21M → 35K
4:52 | 6:30/mi
23M
2:30:35
Rank: #2776 (+62)
35K → 23M
8:28 | 6:46/mi
24M
2:37:14
Rank: #2738 (+38)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:42:56
Rank: #2678 (+60)
24M → 40K
5:42 | 6:40/mi
25.2M
2:45:29
Rank: #2675 (+3)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:52:09
Rank: #2660 (+15)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:52
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:27:17
Pace6:39 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0920:086:2920:08
6:29
-
10K
6.21 mi10:44:2340:226:3020:14
6:31
+0:02
15K
9.32 mi11:04:361:00:356:3020:13
6:30
-0:01
20K
12.43 mi11:24:381:20:376:2920:02
6:27
-0:03
Half
13.11 mi11:28:531:24:526:284:15
6:14
-0:13
25K
15.53 mi11:44:261:40:256:2815:33
6:25
+0:11
30K
18.64 mi12:05:122:01:116:3020:46
6:41
+0:16
20M
20.00 mi12:14:172:10:166:319:05
6:41
0:00
21M
21.00 mi12:21:162:17:156:326:59
6:59
+0:18
35K
21.75 mi12:26:082:22:076:324:52
6:30
-0:29
23M
23.00 mi12:34:362:30:356:338:28
6:46
+0:16
24M
24.00 mi12:41:152:37:146:336:39
6:39
-0:07
40K
24.85 mi12:46:572:42:566:335:42
6:40
+0:01
25.2M
25.20 mi12:49:302:45:296:342:33
7:24
+0:44
Finish
26.22 mi12:56:102:52:096:346:40
6:33
-0:51

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

6:14 /mi

Average Pace

6:34 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:37

94% of race

Time at Steady Pace

6:59

4% of race

Time at Slower Pace

2:33

1% of race

Average Pace: 6:34 /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 mi10:24:0920:086:2920:08
6:29
#3698
10K
6.21 mi10:44:2340:226:3020:14
6:31
#3749
15K
9.32 mi11:04:361:00:356:3020:13
6:30
#3696
20K
12.43 mi11:24:381:20:376:2920:02
6:27
#3415
Half
13.11 mi11:28:531:24:526:284:15
6:14
#3327
25K
15.53 mi11:44:261:40:256:2815:33
6:25
#3155
30K
18.64 mi12:05:122:01:116:3020:46
6:41
#3050
20M
20.00 mi12:14:172:10:166:319:05
6:41
#2956
21M
21.00 mi12:21:162:17:156:326:59
6:59
#2883
35K
21.75 mi12:26:082:22:076:324:52
6:30
#2838
23M
23.00 mi12:34:362:30:356:338:28
6:46
#2776
24M
24.00 mi12:41:152:37:146:336:39
6:39
#2738
40K
24.85 mi12:46:572:42:566:335:42
6:40
#2678
25.2M
25.20 mi12:49:302:45:296:342:33
7:24
#2675
Finish
26.22 mi12:56:102:52:096:346:40
6:33
#2660
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3698350435043614(Top 13%)3414(Top 21%)3414(Top 61%)
10K6.21 mi3.10 mi3749-513552-483552-483828(Top 13%)3609(Top 22%)3609(Top 64%)
15K9.32 mi3.11 mi3696+533495+573495+573614(Top 13%)3414(Top 21%)3414(Top 61%)
20K12.43 mi3.11 mi3415+2813240+2553240+2552817(Top 10%)2682(Top 17%)2682(Top 48%)
Half13.11 mi0.68 mi3327+883164+763164+762183(Top 8%)2087(Top 13%)2087(Top 37%)
25K15.53 mi2.42 mi3155+1723007+1573007+1572456(Top 9%)2336(Top 15%)2336(Top 41%)
30K18.64 mi3.11 mi3050+1052903+1042903+1042819(Top 10%)2667(Top 17%)2667(Top 47%)
20M20.00 mi1.36 mi2956+942812+912812+912405(Top 8%)2272(Top 14%)2272(Top 40%)
21M21.00 mi1.00 mi2883+732742+702742+702215(Top 8%)2071(Top 13%)2071(Top 37%)
35K21.75 mi0.75 mi2838+452698+442698+442515(Top 9%)2348(Top 15%)2348(Top 42%)
23M23.00 mi1.25 mi2776+622635+632635+632534(Top 9%)2345(Top 15%)2345(Top 42%)
24M24.00 mi1.00 mi2738+382596+392596+392734(Top 10%)2508(Top 16%)2508(Top 44%)
40K24.85 mi0.85 mi2678+602538+582538+582256(Top 8%)2071(Top 13%)2071(Top 37%)
25.2M25.20 mi0.35 mi2675+32533+52533+52955(Top 10%)2634(Top 16%)2634(Top 47%)
Finish26.22 mi1.02 mi2660+152518+152518+153033(Top 11%)2701(Top 17%)2701(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3614

Males

3414

M18-39

3414

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3828

Males

3609

M18-39

3609

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3614

Males

3414

M18-39

3414

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2817

Males

2682

M18-39

2682

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2183

Males

2087

M18-39

2087

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2456

Males

2336

M18-39

2336

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2819

Males

2667

M18-39

2667

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2405

Males

2272

M18-39

2272

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2215

Males

2071

M18-39

2071

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2515

Males

2348

M18-39

2348

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2534

Males

2345

M18-39

2345

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2734

Males

2508

M18-39

2508

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2256

Males

2071

M18-39

2071

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2955

Males

2634

M18-39

2634

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3033

Males

2701

M18-39

2701

Passing Analysis

Category:
Athletes Passed
1470
Passed By
432
Net Change
+1038
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3698
5K → 10K113164-51#3698#3749
10K → 15K13178+53#3749#3696
15K → 20K2876+281#3696#3415
20K → Half880+88#3415#3327
Half → 25K18210+172#3327#3155
25K → 30K16762+105#3155#3050
30K → 20M1006+94#3050#2956
20M → 21M8916+73#2956#2883
21M → 35K5611+45#2883#2838
35K → 23M7816+62#2838#2776
23M → 24M5719+38#2776#2738
24M → 40K7212+60#2738#2678
40K → 25.2M1310+3#2678#2675
25.2M → Finish3722+15#2675#2660
TOTALS1470432+1038
📊

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