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BOSTON MARATHON 2025

David Harmon

Bib: 5678•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M40-44)
#0 / 2247
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:30/mi
20:13
↑ 97↓ 3451.5%
10K· 6.21 mi
6:30/mi
40:25
↑ 79↓ 1380.4%
15K· 9.32 mi
6:28/mi
1:00:31
↑ 67↓ 78
20K· 12.43 mi
6:28/mi
1:20:37
↑ 106↓ 860.1%
Half· 13.11 mi
6:17/mi
1:24:54
↑ 19↓ 370.5%
25K· 15.53 mi
6:23/mi
1:40:22
↑ 66↓ 880.2%
30K· 18.64 mi
6:31/mi
2:00:38
↑ 181↓ 1480.2%
20M
6:29/mi
2:09:26
↑ 64↓ 500.2%
21M
7:01/mi
2:16:27
↑ 106↓ 241.6%
35K· 21.75 mi
6:09/mi
2:21:03
↑ 17↓ 861.7%
23M
6:24/mi
2:29:04
↑ 23↓ 630.6%
24M
6:17/mi
2:35:21
↓ 821.3%
40K· 24.85 mi
6:21/mi
2:40:47
↓ 200.3%
25.2M
7:15/mi
2:43:17
↑ 13↓ 160.2%
Finish· 26.22 mi
6:28/mi
2:49:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:54
Pace6:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:58
Pace6:29 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3820:136:3020:13
6:30
-
10K
6.21 mi10:45:5040:256:3020:12
6:30
0:00
15K
9.32 mi11:05:561:00:316:3020:06
6:28
-0:02
20K
12.43 mi11:26:021:20:376:2920:06
6:28
0:00
Half
13.11 mi11:30:191:24:546:294:17
6:17
-0:11
25K
15.53 mi11:45:471:40:226:2815:28
6:23
+0:06
30K
18.64 mi12:06:032:00:386:2820:16
6:31
+0:08
20M
20.00 mi12:14:512:09:266:288:48
6:29
-0:02
21M
21.00 mi12:21:522:16:276:307:01
7:01
+0:32
35K
21.75 mi12:26:282:21:036:294:36
6:09
-0:52
23M
23.00 mi12:34:292:29:046:298:01
6:24
+0:15
24M
24.00 mi12:40:462:35:216:286:17
6:17
-0:07
40K
24.85 mi12:46:122:40:476:285:26
6:21
+0:04
25.2M
25.20 mi12:48:422:43:176:292:30
7:15
+0:54
Finish
26.22 mi12:55:172:49:526:296:35
6:28
-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

6:09 /mi

Average Pace

6:29 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:21

94% of race

Time at Steady Pace

9:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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 mi10:25:3820:136:3020:13
6:30
#3866
10K
6.21 mi10:45:5040:256:3020:12
6:30
#3802
15K
9.32 mi11:05:561:00:316:3020:06
6:28
#3638
20K
12.43 mi11:26:021:20:376:2920:06
6:28
#3410
Half
13.11 mi11:30:191:24:546:294:17
6:17
#3339
25K
15.53 mi11:45:471:40:226:2815:28
6:23
#3122
30K
18.64 mi12:06:032:00:386:2820:16
6:31
#2852
20M
20.00 mi12:14:512:09:266:288:48
6:29
#2704
21M
21.00 mi12:21:522:16:276:307:01
7:01
#2652
35K
21.75 mi12:26:282:21:036:294:36
6:09
#2560
23M
23.00 mi12:34:292:29:046:298:01
6:24
#2410
24M
24.00 mi12:40:462:35:216:286:17
6:17
#2333
40K
24.85 mi12:46:122:40:476:285:26
6:21
#2252
25.2M
25.20 mi12:48:422:43:176:292:30
7:15
#2244
Finish
26.22 mi12:55:172:49:526:296:35
6:28
#2249
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3866365836583354(Top 12%)3181(Top 20%)3181(Top 142%)
10K6.21 mi3.10 mi3802+643595+633595+633714(Top 13%)3503(Top 22%)3503(Top 156%)
15K9.32 mi3.11 mi3638+1643441+1543441+1543354(Top 12%)3181(Top 20%)3181(Top 142%)
20K12.43 mi3.11 mi3410+2283235+2063235+2062925(Top 10%)2785(Top 17%)2785(Top 124%)
Half13.11 mi0.68 mi3339+713171+643171+642369(Top 8%)2266(Top 14%)2266(Top 101%)
25K15.53 mi2.42 mi3122+2172976+1952976+1952251(Top 8%)2141(Top 13%)2141(Top 95%)
30K18.64 mi3.11 mi2852+2702716+2602716+2602084(Top 7%)1981(Top 12%)1981(Top 88%)
20M20.00 mi1.36 mi2704+1482574+1422574+1421541(Top 5%)1456(Top 9%)1456(Top 65%)
21M21.00 mi1.00 mi2652+522526+482526+482303(Top 8%)2149(Top 13%)2149(Top 96%)
35K21.75 mi0.75 mi2560+922438+882438+881096(Top 4%)1034(Top 6%)1034(Top 46%)
23M23.00 mi1.25 mi2410+1502294+1442294+1441158(Top 4%)1094(Top 7%)1094(Top 49%)
24M24.00 mi1.00 mi2333+772220+742220+741272(Top 4%)1191(Top 7%)1191(Top 53%)
40K24.85 mi0.85 mi2252+812140+802140+801113(Top 4%)1042(Top 6%)1042(Top 46%)
25.2M25.20 mi0.35 mi2244+82131+92131+92302(Top 8%)2055(Top 13%)2055(Top 91%)
Finish26.22 mi1.02 mi2249-52134-32134-32594(Top 9%)2344(Top 15%)2344(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3354

Males

3181

M40-44

3181

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3714

Males

3503

M40-44

3503

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3354

Males

3181

M40-44

3181

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2925

Males

2785

M40-44

2785

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2369

Males

2266

M40-44

2266

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2251

Males

2141

M40-44

2141

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

2084

Males

1981

M40-44

1981

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1541

Males

1456

M40-44

1456

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2303

Males

2149

M40-44

2149

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1096

Males

1034

M40-44

1034

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1158

Males

1094

M40-44

1094

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1272

Males

1191

M40-44

1191

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1113

Males

1042

M40-44

1042

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2302

Males

2055

M40-44

2055

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2594

Males

2344

M40-44

2344

Passing Analysis

Category:
Athletes Passed
1876
Passed By
259
Net Change
+1617
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3866
5K → 10K172108+64#3866#3802
10K → 15K19935+164#3802#3638
15K → 20K24012+228#3638#3410
20K → Half721+71#3410#3339
Half → 25K2214+217#3339#3122
25K → 30K28515+270#3122#2852
30K → 20M1513+148#2852#2704
20M → 21M7826+52#2704#2652
21M → 35K931+92#2652#2560
35K → 23M1511+150#2560#2410
23M → 24M792+77#2410#2333
24M → 40K843+81#2333#2252
40K → 25.2M2012+8#2252#2244
25.2M → Finish3136-5#2244#2249
TOTALS1876259+1617
📊

Passing Visuals

Category:
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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