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BOSTON MARATHON 2025

Daniel Hirst

Bib: 12888•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 43%
Division (M45-49)
#0 / 2386
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
7:22/mi
22:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:10:23
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:33:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:39:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:57:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:23:18
↑ 181↓ 1480.2%
20M
8:17/mi
2:34:34
↑ 64↓ 500.2%
21M
8:56/mi
2:43:30
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:49:31
↑ 17↓ 861.7%
23M
8:05/mi
2:59:38
↑ 23↓ 630.6%
24M
7:51/mi
3:07:29
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:14:15
↓ 200.3%
25.2M
8:33/mi
3:17:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:17/mi
3:24:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:00
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1322:537:2222:53
7:22
-
10K
6.21 mi11:13:2846:087:2523:15
7:29
+0:07
15K
9.32 mi11:37:431:10:237:3324:15
7:48
+0:19
20K
12.43 mi12:01:111:33:517:3323:28
7:33
-0:15
Half
13.11 mi12:06:201:39:007:335:09
7:33
0:00
25K
15.53 mi12:25:091:57:497:3518:49
7:46
+0:13
30K
18.64 mi12:50:382:23:187:4125:29
8:12
+0:26
20M
20.00 mi13:01:542:34:347:4411:16
8:17
+0:05
21M
21.00 mi13:10:502:43:307:478:56
8:56
+0:39
35K
21.75 mi13:16:512:49:317:486:01
8:03
-0:53
23M
23.00 mi13:26:582:59:387:4910:07
8:05
+0:02
24M
24.00 mi13:34:493:07:297:497:51
7:51
-0:14
40K
24.85 mi13:41:353:14:157:496:46
7:55
+0:04
25.2M
25.20 mi13:44:323:17:127:502:57
8:33
+0:38
Finish
26.22 mi13:51:573:24:377:497:25
7:17
-1:16

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

7:17 /mi

Average Pace

7:49 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:10

40% of race

Time at Steady Pace

1:03:42

31% of race

Time at Slower Pace

58:45

29% of race

Average Pace: 7:48 /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 mi10:50:1322:537:2222:53
7:22
#10996
10K
6.21 mi11:13:2846:087:2523:15
7:29
#11450
15K
9.32 mi11:37:431:10:237:3324:15
7:48
#12438
20K
12.43 mi12:01:111:33:517:3323:28
7:33
#12100
Half
13.11 mi12:06:201:39:007:335:09
7:33
#12085
25K
15.53 mi12:25:091:57:497:3518:49
7:46
#12038
30K
18.64 mi12:50:382:23:187:4125:29
8:12
#12139
20M
20.00 mi13:01:542:34:347:4411:16
8:17
#12132
21M
21.00 mi13:10:502:43:307:478:56
8:56
#12180
35K
21.75 mi13:16:512:49:317:486:01
8:03
#12181
23M
23.00 mi13:26:582:59:387:4910:07
8:05
#12043
24M
24.00 mi13:34:493:07:297:497:51
7:51
#11938
40K
24.85 mi13:41:353:14:157:496:46
7:55
#11816
25.2M
25.20 mi13:44:323:17:127:502:57
8:33
#11765
Finish
26.22 mi13:51:573:24:377:497:25
7:17
#11544
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi109968692869214397(Top 51%)10092(Top 63%)10092(Top 423%)
10K6.21 mi3.10 mi11450-4548893-2018893-20111944(Top 42%)9124(Top 57%)9124(Top 382%)
15K9.32 mi3.11 mi12438-9889329-4369329-43614397(Top 51%)10092(Top 63%)10092(Top 423%)
20K12.43 mi3.11 mi12100+3389140+1899140+18911186(Top 39%)8581(Top 53%)8581(Top 360%)
Half13.11 mi0.68 mi12085+159128+129128+1212075(Top 43%)9047(Top 56%)9047(Top 379%)
25K15.53 mi2.42 mi12038+479065+639065+6312014(Top 42%)8852(Top 55%)8852(Top 371%)
30K18.64 mi3.11 mi12139-1019041+249041+2412829(Top 45%)9062(Top 56%)9062(Top 380%)
20M20.00 mi1.36 mi12132+79000+419000+4112403(Top 44%)8722(Top 54%)8722(Top 366%)
21M21.00 mi1.00 mi12180-488977+238977+2313100(Top 46%)8892(Top 55%)8892(Top 373%)
35K21.75 mi0.75 mi12181-18951+268951+2612496(Top 44%)8557(Top 53%)8557(Top 359%)
23M23.00 mi1.25 mi12043+1388858+938858+9310604(Top 37%)7540(Top 47%)7540(Top 316%)
24M24.00 mi1.00 mi11938+1058770+888770+8810177(Top 36%)7258(Top 45%)7258(Top 304%)
40K24.85 mi0.85 mi11816+1228677+938677+939553(Top 34%)6827(Top 42%)6827(Top 286%)
25.2M25.20 mi0.35 mi11765+518638+398638+399086(Top 32%)6505(Top 40%)6505(Top 273%)
Finish26.22 mi1.02 mi11544+2218485+1538485+1537617(Top 27%)5697(Top 35%)5697(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14397

Males

10092

M45-49

10092

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11944

Males

9124

M45-49

9124

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14397

Males

10092

M45-49

10092

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11186

Males

8581

M45-49

8581

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12075

Males

9047

M45-49

9047

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

12014

Males

8852

M45-49

8852

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12829

Males

9062

M45-49

9062

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12403

Males

8722

M45-49

8722

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13100

Males

8892

M45-49

8892

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12496

Males

8557

M45-49

8557

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10604

Males

7540

M45-49

7540

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10177

Males

7258

M45-49

7258

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9553

Males

6827

M45-49

6827

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9086

Males

6505

M45-49

6505

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7617

Males

5697

M45-49

5697

Passing Analysis

Category:
Athletes Passed
1975
Passed By
2523
Net Change
-548
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10996
5K → 10K103557-454#10996#11450
10K → 15K341022-988#11450#12438
15K → 20K38042+338#12438#12100
20K → Half4025+15#12100#12085
Half → 25K188141+47#12085#12038
25K → 30K210311-101#12038#12139
30K → 20M119112+7#12139#12132
20M → 21M94142-48#12132#12180
21M → 35K6162-1#12180#12181
35K → 23M17739+138#12181#12043
23M → 24M12823+105#12043#11938
24M → 40K14321+122#11938#11816
40K → 25.2M6514+51#11816#11765
25.2M → Finish23312+221#11765#11544
TOTALS19752523-548
📊

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