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BOSTON MARATHON 2025

Carl Harrington

Bib: 9915•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M45-49)
#0 / 2386
Top 48%
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
6:55/mi
21:28
↑ 97↓ 3451.5%
10K· 6.21 mi
6:53/mi
42:51
↑ 79↓ 1380.4%
15K· 9.32 mi
6:54/mi
1:04:16
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:26:12
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:30:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:26/mi
1:49:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:13:49
↑ 181↓ 1480.2%
20M
8:17/mi
2:25:04
↑ 64↓ 500.2%
21M
8:56/mi
2:34:00
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:39:58
↑ 17↓ 861.7%
23M
8:34/mi
2:50:42
↑ 23↓ 630.6%
24M
8:26/mi
2:59:08
↓ 821.3%
40K· 24.85 mi
8:16/mi
3:06:12
↓ 200.3%
25.2M
8:36/mi
3:09:10
↑ 13↓ 160.2%
Finish· 26.22 mi
7:32/mi
3:16:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:58
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:45:53
Pace8:05 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3821:286:5521:28
6:55
-
10K
6.21 mi11:09:0142:516:5421:23
6:53
-0:02
15K
9.32 mi11:30:261:04:166:5421:25
6:54
+0:01
20K
12.43 mi11:52:221:26:126:5621:56
7:04
+0:10
Half
13.11 mi11:57:081:30:586:564:46
6:59
-0:05
25K
15.53 mi12:15:101:49:007:0118:02
7:26
+0:27
30K
18.64 mi12:39:592:13:497:1124:49
7:59
+0:33
20M
20.00 mi12:51:142:25:047:1511:15
8:17
+0:18
21M
21.00 mi13:00:102:34:007:208:56
8:56
+0:39
35K
21.75 mi13:06:082:39:587:215:58
7:59
-0:57
23M
23.00 mi13:16:522:50:427:2510:44
8:34
+0:35
24M
24.00 mi13:25:182:59:087:288:26
8:26
-0:08
40K
24.85 mi13:32:223:06:127:297:04
8:16
-0:10
25.2M
25.20 mi13:35:203:09:107:302:58
8:36
+0:20
Finish
26.22 mi13:43:013:16:517:317:41
7:32
-1:04

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

6:53 /mi

Average Pace

7:31 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:41

59% of race

Time at Steady Pace

49:06

25% of race

Time at Slower Pace

31:04

16% of race

Average Pace: 7:30 /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 mi10:47:3821:286:5521:28
6:55
#7145
10K
6.21 mi11:09:0142:516:5421:23
6:53
#7128
15K
9.32 mi11:30:261:04:166:5421:25
6:54
#7031
20K
12.43 mi11:52:221:26:126:5621:56
7:04
#7108
Half
13.11 mi11:57:081:30:586:564:46
6:59
#7118
25K
15.53 mi12:15:101:49:007:0118:02
7:26
#7373
30K
18.64 mi12:39:592:13:497:1124:49
7:59
#7884
20M
20.00 mi12:51:142:25:047:1511:15
8:17
#8156
21M
21.00 mi13:00:102:34:007:208:56
8:56
#8404
35K
21.75 mi13:06:082:39:587:215:58
7:59
#8524
23M
23.00 mi13:16:522:50:427:2510:44
8:34
#8823
24M
24.00 mi13:25:182:59:087:288:26
8:26
#9060
40K
24.85 mi13:32:223:06:127:297:04
8:16
#9170
25.2M
25.20 mi13:35:203:09:107:302:58
8:36
#9152
Finish
26.22 mi13:43:013:16:517:317:41
7:32
#9146
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7145641464146910(Top 24%)6186(Top 38%)6186(Top 259%)
10K6.21 mi3.10 mi7128+176390+246390+247115(Top 25%)6367(Top 40%)6367(Top 267%)
15K9.32 mi3.11 mi7031+976311+796311+796910(Top 24%)6186(Top 38%)6186(Top 259%)
20K12.43 mi3.11 mi7108-776352-416352-417254(Top 26%)6387(Top 40%)6387(Top 268%)
Half13.11 mi0.68 mi7118-106357-56357-57493(Top 26%)6583(Top 41%)6583(Top 276%)
25K15.53 mi2.42 mi7373-2556524-1676524-1679428(Top 33%)7563(Top 47%)7563(Top 317%)
30K18.64 mi3.11 mi7884-5116805-2816805-28111270(Top 40%)8322(Top 52%)8322(Top 349%)
20M20.00 mi1.36 mi8156-2726938-1336938-13312317(Top 43%)8672(Top 54%)8672(Top 363%)
21M21.00 mi1.00 mi8404-2487054-1167054-11613084(Top 46%)8876(Top 55%)8876(Top 372%)
35K21.75 mi0.75 mi8524-1207103-497103-4912059(Top 42%)8339(Top 52%)8339(Top 349%)
23M23.00 mi1.25 mi8823-2997239-1367239-13613721(Top 48%)9022(Top 56%)9022(Top 378%)
24M24.00 mi1.00 mi9060-2377341-1027341-10214057(Top 49%)9156(Top 57%)9156(Top 384%)
40K24.85 mi0.85 mi9170-1107362-217362-2111916(Top 42%)7997(Top 50%)7997(Top 335%)
25.2M25.20 mi0.35 mi9152+187335+277335+279359(Top 33%)6611(Top 41%)6611(Top 277%)
Finish26.22 mi1.02 mi9146+67290+457290+459455(Top 33%)6683(Top 41%)6683(Top 280%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6910

Males

6186

M45-49

6186

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7115

Males

6367

M45-49

6367

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6910

Males

6186

M45-49

6186

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7254

Males

6387

M45-49

6387

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7493

Males

6583

M45-49

6583

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9428

Males

7563

M45-49

7563

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11270

Males

8322

M45-49

8322

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12317

Males

8672

M45-49

8672

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13084

Males

8876

M45-49

8876

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

12059

Males

8339

M45-49

8339

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13721

Males

9022

M45-49

9022

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

14057

Males

9156

M45-49

9156

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11916

Males

7997

M45-49

7997

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9359

Males

6611

M45-49

6611

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9455

Males

6683

M45-49

6683

Passing Analysis

Category:
Athletes Passed
1029
Passed By
3030
Net Change
-2001
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7145
5K → 10K213196+17#7145#7128
10K → 15K18992+97#7128#7031
15K → 20K118195-77#7031#7108
20K → Half1424-10#7108#7118
Half → 25K58313-255#7118#7373
25K → 30K72583-511#7373#7884
30K → 20M38310-272#7884#8156
20M → 21M38286-248#8156#8404
21M → 35K30150-120#8404#8524
35K → 23M54353-299#8524#8823
23M → 24M25262-237#8823#9060
24M → 40K55165-110#9060#9170
40K → 25.2M4224+18#9170#9152
25.2M → Finish8377+6#9152#9146
TOTALS10293030-2001
📊

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