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BOSTON MARATHON 2025

Daniel Barton

Bib: 8038•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M40-44)
#0 / 2247
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #4242
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
41:00
Rank: #4483 (-241)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:01:44
Rank: #4565 (-82)
10K → 15K
20:44 | 6:40/mi
20K· 12.43 mi
1:22:45
Rank: #4619 (-54)
15K → 20K
21:01 | 6:46/mi
Half· 13.11 mi
1:27:20
Rank: #4656 (-37)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:12
Rank: #4866 (-210)
Half → 25K
16:52 | 6:57/mi
30K· 18.64 mi
2:06:52
Rank: #5212 (-346)
25K → 30K
22:40 | 7:18/mi
20M
2:16:59
Rank: #5357 (-145)
30K → 20M
10:07 | 7:27/mi
21M
2:24:55
Rank: #5448 (-91)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:30:32
Rank: #5545 (-97)
21M → 35K
5:37 | 7:30/mi
23M
2:40:18
Rank: #5615 (-70)
35K → 23M
9:46 | 7:48/mi
24M
2:47:54
Rank: #5669 (-54)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
2:54:37
Rank: #5724 (-55)
24M → 40K
6:43 | 7:51/mi
25.2M
2:57:40
Rank: #5760 (-36)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:05:30
Rank: #5856 (-96)
25.2M → Finish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:20
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:38:10
Pace7:29 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:3220:226:3320:22
6:33
-
10K
6.21 mi10:49:1041:006:3620:38
6:38
+0:05
15K
9.32 mi11:09:541:01:446:3720:44
6:40
+0:02
20K
12.43 mi11:30:551:22:456:4021:01
6:46
+0:06
Half
13.11 mi11:35:301:27:206:404:35
6:43
-0:03
25K
15.53 mi11:52:221:44:126:4216:52
6:57
+0:14
30K
18.64 mi12:15:022:06:526:4822:40
7:18
+0:21
20M
20.00 mi12:25:092:16:596:5110:07
7:27
+0:09
21M
21.00 mi12:33:052:24:556:547:56
7:56
+0:29
35K
21.75 mi12:38:422:30:326:555:37
7:30
-0:26
23M
23.00 mi12:48:282:40:186:589:46
7:48
+0:18
24M
24.00 mi12:56:042:47:547:007:36
7:36
-0:12
40K
24.85 mi13:02:472:54:377:026:43
7:51
+0:15
25.2M
25.20 mi13:05:502:57:407:033:03
8:51
+1:00
Finish
26.22 mi13:13:403:05:307:057:50
7:41
-1:10

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

6:33 /mi

Average Pace

7:05 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:12

56% of race

Time at Steady Pace

53:50

29% of race

Time at Slower Pace

27:28

15% of race

Average Pace: 7:04 /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 mi10:28:3220:226:3320:22
6:33
#4242
10K
6.21 mi10:49:1041:006:3620:38
6:38
#4483
15K
9.32 mi11:09:541:01:446:3720:44
6:40
#4565
20K
12.43 mi11:30:551:22:456:4021:01
6:46
#4619
Half
13.11 mi11:35:301:27:206:404:35
6:43
#4656
25K
15.53 mi11:52:221:44:126:4216:52
6:57
#4866
30K
18.64 mi12:15:022:06:526:4822:40
7:18
#5212
20M
20.00 mi12:25:092:16:596:5110:07
7:27
#5357
21M
21.00 mi12:33:052:24:556:547:56
7:56
#5448
35K
21.75 mi12:38:422:30:326:555:37
7:30
#5545
23M
23.00 mi12:48:282:40:186:589:46
7:48
#5615
24M
24.00 mi12:56:042:47:547:007:36
7:36
#5669
40K
24.85 mi13:02:472:54:377:026:43
7:51
#5724
25.2M
25.20 mi13:05:502:57:407:033:03
8:51
#5760
Finish
26.22 mi13:13:403:05:307:057:50
7:41
#5856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4242399139914838(Top 17%)4512(Top 28%)4512(Top 201%)
10K6.21 mi3.10 mi4483-2414213-2224213-2224795(Top 17%)4485(Top 28%)4485(Top 200%)
15K9.32 mi3.11 mi4565-824283-704283-704838(Top 17%)4512(Top 28%)4512(Top 201%)
20K12.43 mi3.11 mi4619-544320-374320-374950(Top 17%)4574(Top 28%)4574(Top 204%)
Half13.11 mi0.68 mi4656-374350-304350-305410(Top 19%)4965(Top 31%)4965(Top 221%)
25K15.53 mi2.42 mi4866-2104523-1734523-1736015(Top 21%)5406(Top 34%)5406(Top 241%)
30K18.64 mi3.11 mi5212-3464795-2724795-2726414(Top 23%)5593(Top 35%)5593(Top 249%)
20M20.00 mi1.36 mi5357-1454905-1104905-1106626(Top 23%)5586(Top 35%)5586(Top 249%)
21M21.00 mi1.00 mi5448-914978-734978-736945(Top 24%)5635(Top 35%)5635(Top 251%)
35K21.75 mi0.75 mi5545-975048-705048-708615(Top 30%)6624(Top 41%)6624(Top 295%)
23M23.00 mi1.25 mi5615-705087-395087-398543(Top 30%)6450(Top 40%)6450(Top 287%)
24M24.00 mi1.00 mi5669-545110-235110-238368(Top 29%)6297(Top 39%)6297(Top 280%)
40K24.85 mi0.85 mi5724-555138-285138-289114(Top 32%)6561(Top 41%)6561(Top 292%)
25.2M25.20 mi0.35 mi5760-365153-155153-1510781(Top 38%)7335(Top 46%)7335(Top 326%)
Finish26.22 mi1.02 mi5856-965210-575210-5710558(Top 37%)7266(Top 45%)7266(Top 323%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4838

Males

4512

M40-44

4512

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4795

Males

4485

M40-44

4485

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4838

Males

4512

M40-44

4512

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4950

Males

4574

M40-44

4574

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5410

Males

4965

M40-44

4965

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6015

Males

5406

M40-44

5406

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6414

Males

5593

M40-44

5593

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6626

Males

5586

M40-44

5586

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6945

Males

5635

M40-44

5635

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8615

Males

6624

M40-44

6624

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8543

Males

6450

M40-44

6450

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8368

Males

6297

M40-44

6297

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9114

Males

6561

M40-44

6561

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10781

Males

7335

M40-44

7335

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10558

Males

7266

M40-44

7266

Passing Analysis

Category:
Athletes Passed
671
Passed By
2285
Net Change
-1614
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4242
5K → 10K60301-241#4242#4483
10K → 15K64146-82#4483#4565
15K → 20K102156-54#4565#4619
20K → Half1249-37#4619#4656
Half → 25K57267-210#4656#4866
25K → 30K88434-346#4866#5212
30K → 20M39184-145#5212#5357
20M → 21M41132-91#5357#5448
21M → 35K23120-97#5448#5545
35K → 23M58128-70#5545#5615
23M → 24M3892-54#5615#5669
24M → 40K3186-55#5669#5724
40K → 25.2M3066-36#5724#5760
25.2M → Finish28124-96#5760#5856
TOTALS6712285-1614
📊

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