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BOSTON MARATHON 2025

Alex Douglas

Bib: 5318•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M40-44)
#0 / 2247
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #5294
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
41:26
Rank: #5079 (+215)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:02:19
Rank: #5112 (-33)
10K → 15K
20:53 | 6:43/mi
20K· 12.43 mi
1:23:26
Rank: #5109 (+3)
15K → 20K
21:07 | 6:48/mi
Half· 13.11 mi
1:28:05
Rank: #5152 (-43)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:44:47
Rank: #5221 (-69)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:07:49
Rank: #5644 (-423)
25K → 30K
23:02 | 7:25/mi
20M
2:17:25
Rank: #5533 (+111)
30K → 20M
9:36 | 7:04/mi
21M
2:24:50
Rank: #5407 (+126)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:29:52
Rank: #5312 (+95)
21M → 35K
5:02 | 6:44/mi
23M
2:38:43
Rank: #5195 (+117)
35K → 23M
8:51 | 7:04/mi
24M
2:45:34
Rank: #5104 (+91)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:51:35
Rank: #5035 (+69)
24M → 40K
6:01 | 7:02/mi
25.2M
2:54:18
Rank: #5021 (+14)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:01:25
Rank: #4996 (+25)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:05
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:33:20
Pace7:07 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1620:466:4120:46
6:41
-
10K
6.21 mi10:44:5641:266:4020:40
6:39
-0:02
15K
9.32 mi11:05:491:02:196:4120:53
6:43
+0:04
20K
12.43 mi11:26:561:23:266:4321:07
6:48
+0:05
Half
13.11 mi11:31:351:28:056:434:39
6:49
+0:01
25K
15.53 mi11:48:171:44:476:4516:42
6:53
+0:04
30K
18.64 mi12:11:192:07:496:5123:02
7:25
+0:32
20M
20.00 mi12:20:552:17:256:529:36
7:04
-0:21
21M
21.00 mi12:28:202:24:506:547:25
7:25
+0:21
35K
21.75 mi12:33:222:29:526:535:02
6:44
-0:41
23M
23.00 mi12:42:132:38:436:548:51
7:04
+0:20
24M
24.00 mi12:49:042:45:346:546:51
6:51
-0:13
40K
24.85 mi12:55:052:51:356:546:01
7:02
+0:11
25.2M
25.20 mi12:57:482:54:186:552:43
7:53
+0:51
Finish
26.22 mi13:04:553:01:256:557:07
6:59
-0:54

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

6:39 /mi

Average Pace

6:55 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:15

82% of race

Time at Steady Pace

30:27

17% of race

Time at Slower Pace

2:43

1% of race

Average Pace: 6:55 /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 mi10:24:1620:466:4120:46
6:41
#5294
10K
6.21 mi10:44:5641:266:4020:40
6:39
#5079
15K
9.32 mi11:05:491:02:196:4120:53
6:43
#5112
20K
12.43 mi11:26:561:23:266:4321:07
6:48
#5109
Half
13.11 mi11:31:351:28:056:434:39
6:49
#5152
25K
15.53 mi11:48:171:44:476:4516:42
6:53
#5221
30K
18.64 mi12:11:192:07:496:5123:02
7:25
#5644
20M
20.00 mi12:20:552:17:256:529:36
7:04
#5533
21M
21.00 mi12:28:202:24:506:547:25
7:25
#5407
35K
21.75 mi12:33:222:29:526:535:02
6:44
#5312
23M
23.00 mi12:42:132:38:436:548:51
7:04
#5195
24M
24.00 mi12:49:042:45:346:546:51
6:51
#5104
40K
24.85 mi12:55:052:51:356:546:01
7:02
#5035
25.2M
25.20 mi12:57:482:54:186:552:43
7:53
#5021
Finish
26.22 mi13:04:553:01:256:557:07
6:59
#4996
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5294492549255275(Top 19%)4874(Top 30%)4874(Top 217%)
10K6.21 mi3.10 mi5079+2154732+1934732+1934882(Top 17%)4558(Top 28%)4558(Top 203%)
15K9.32 mi3.11 mi5112-334759-274759-275275(Top 19%)4874(Top 30%)4874(Top 217%)
20K12.43 mi3.11 mi5109+34744+154744+155252(Top 18%)4827(Top 30%)4827(Top 215%)
Half13.11 mi0.68 mi5152-434780-364780-366201(Top 22%)5586(Top 35%)5586(Top 249%)
25K15.53 mi2.42 mi5221-694827-474827-475542(Top 20%)5019(Top 31%)5019(Top 223%)
30K18.64 mi3.11 mi5644-4235154-3275154-3277117(Top 25%)6035(Top 37%)6035(Top 269%)
20M20.00 mi1.36 mi5533+1115057+975057+974469(Top 16%)4067(Top 25%)4067(Top 181%)
21M21.00 mi1.00 mi5407+1264939+1184939+1184186(Top 15%)3765(Top 23%)3765(Top 168%)
35K21.75 mi0.75 mi5312+954857+824857+823674(Top 13%)3321(Top 21%)3321(Top 148%)
23M23.00 mi1.25 mi5195+1174748+1094748+1094148(Top 15%)3692(Top 23%)3692(Top 164%)
24M24.00 mi1.00 mi5104+914656+924656+923796(Top 13%)3370(Top 21%)3370(Top 150%)
40K24.85 mi0.85 mi5035+694592+644592+644108(Top 14%)3566(Top 22%)3566(Top 159%)
25.2M25.20 mi0.35 mi5021+144577+154577+155224(Top 18%)4245(Top 26%)4245(Top 189%)
Finish26.22 mi1.02 mi4996+254543+344543+345599(Top 20%)4470(Top 28%)4470(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5275

Males

4874

M40-44

4874

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4882

Males

4558

M40-44

4558

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5275

Males

4874

M40-44

4874

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5252

Males

4827

M40-44

4827

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6201

Males

5586

M40-44

5586

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5542

Males

5019

M40-44

5019

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7117

Males

6035

M40-44

6035

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4469

Males

4067

M40-44

4067

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4186

Males

3765

M40-44

3765

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3674

Males

3321

M40-44

3321

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4148

Males

3692

M40-44

3692

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3796

Males

3370

M40-44

3370

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4108

Males

3566

M40-44

3566

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5224

Males

4245

M40-44

4245

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5599

Males

4470

M40-44

4470

Passing Analysis

Category:
Athletes Passed
1506
Passed By
1208
Net Change
+298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5294
5K → 10K30388+215#5294#5079
10K → 15K121154-33#5079#5112
15K → 20K120117+3#5112#5109
20K → Half1255-43#5109#5152
Half → 25K86155-69#5152#5221
25K → 30K90513-423#5221#5644
30K → 20M12817+111#5644#5533
20M → 21M14014+126#5533#5407
21M → 35K1016+95#5407#5312
35K → 23M13922+117#5312#5195
23M → 24M10312+91#5195#5104
24M → 40K8718+69#5104#5035
40K → 25.2M239+14#5035#5021
25.2M → Finish5328+25#5021#4996
TOTALS15061208+298
📊

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