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BOSTON MARATHON 2025

Robin Alexander

Bib: 23993•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:53
Rank: #20756
Start → 5K
26:53 | 8:39/mi
10K· 6.21 mi
54:20
Rank: #21126 (-370)
5K → 10K
27:27 | 8:50/mi
15K· 9.32 mi
1:21:55
Rank: #21192 (-66)
10K → 15K
27:35 | 8:53/mi
20K· 12.43 mi
1:50:08
Rank: #21230 (-38)
15K → 20K
28:13 | 9:05/mi
Half· 13.11 mi
1:56:11
Rank: #21230
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:18:53
Rank: #21296 (-66)
Half → 25K
22:42 | 9:22/mi
30K· 18.64 mi
2:49:32
Rank: #21308 (-12)
25K → 30K
30:39 | 9:52/mi
20M
3:03:06
Rank: #21264 (+44)
30K → 20M
13:34 | 9:59/mi
21M
3:13:36
Rank: #21215 (+49)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:20:41
Rank: #21150 (+65)
21M → 35K
7:05 | 9:28/mi
23M
3:33:14
Rank: #21100 (+50)
35K → 23M
12:33 | 10:01/mi
24M
3:42:24
Rank: #20989 (+111)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:50:19
Rank: #20874 (+115)
24M → 40K
7:55 | 9:16/mi
25.2M
3:54:03
Rank: #20862 (+12)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:03:46
Rank: #20854 (+8)
25.2M → Finish
9:43 | 9:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:11
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:07:35
Pace9:44 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1126:538:3926:53
8:39
-
10K
6.21 mi11:53:3854:208:4527:27
8:50
+0:11
15K
9.32 mi12:21:131:21:558:4727:35
8:53
+0:03
20K
12.43 mi12:49:261:50:088:5228:13
9:05
+0:12
Half
13.11 mi12:55:291:56:118:526:03
8:52
-0:13
25K
15.53 mi13:18:112:18:538:5622:42
9:22
+0:30
30K
18.64 mi13:48:502:49:329:0630:39
9:52
+0:30
20M
20.00 mi14:02:243:03:069:0913:34
9:59
+0:07
21M
21.00 mi14:12:543:13:369:1310:30
10:30
+0:31
35K
21.75 mi14:19:593:20:419:147:05
9:28
-1:02
23M
23.00 mi14:32:323:33:149:1612:33
10:01
+0:33
24M
24.00 mi14:41:423:42:249:169:10
9:10
-0:51
40K
24.85 mi14:49:373:50:199:167:55
9:16
+0:06
25.2M
25.20 mi14:53:213:54:039:173:44
10:50
+1:34
Finish
26.22 mi15:03:044:03:469:189:43
9:32
-1:18

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

8:39 /mi

Average Pace

9:18 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:58

36% of race

Time at Steady Pace

1:24:48

35% of race

Time at Slower Pace

1:11:00

29% of race

Average Pace: 9:18 /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 mi11:26:1126:538:3926:53
8:39
#20756
10K
6.21 mi11:53:3854:208:4527:27
8:50
#21126
15K
9.32 mi12:21:131:21:558:4727:35
8:53
#21192
20K
12.43 mi12:49:261:50:088:5228:13
9:05
#21230
Half
13.11 mi12:55:291:56:118:526:03
8:52
#21230
25K
15.53 mi13:18:112:18:538:5622:42
9:22
#21296
30K
18.64 mi13:48:502:49:329:0630:39
9:52
#21308
20M
20.00 mi14:02:243:03:069:0913:34
9:59
#21264
21M
21.00 mi14:12:543:13:369:1310:30
10:30
#21215
35K
21.75 mi14:19:593:20:419:147:05
9:28
#21150
23M
23.00 mi14:32:323:33:149:1612:33
10:01
#21100
24M
24.00 mi14:41:423:42:249:169:10
9:10
#20989
40K
24.85 mi14:49:373:50:199:167:55
9:16
#20874
25.2M
25.20 mi14:53:213:54:039:173:44
10:50
#20862
Finish
26.22 mi15:03:044:03:469:189:43
9:32
#20854
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20756127521275221439(Top 75%)13138(Top 82%)13138(Top 1044%)
10K6.21 mi3.10 mi21126-37012949-19712949-19721567(Top 76%)13156(Top 82%)13156(Top 1045%)
15K9.32 mi3.11 mi21192-6612989-4012989-4021439(Top 75%)13138(Top 82%)13138(Top 1044%)
20K12.43 mi3.11 mi21230-3813009-2013009-2021363(Top 75%)13066(Top 81%)13066(Top 1038%)
Half13.11 mi0.68 mi2123013014-513014-521198(Top 75%)12995(Top 81%)12995(Top 1032%)
25K15.53 mi2.42 mi21296-6613028-1413028-1421399(Top 75%)13037(Top 81%)13037(Top 1036%)
30K18.64 mi3.11 mi21308-1212992+3612992+3621198(Top 75%)12803(Top 79%)12803(Top 1017%)
20M20.00 mi1.36 mi21264+4412952+4012952+4020876(Top 73%)12530(Top 78%)12530(Top 995%)
21M21.00 mi1.00 mi21215+4912919+3312919+3320010(Top 70%)12043(Top 75%)12043(Top 957%)
35K21.75 mi0.75 mi21150+6512876+4312876+4320212(Top 71%)12075(Top 75%)12075(Top 959%)
23M23.00 mi1.25 mi21100+5012831+4512831+4520566(Top 72%)12184(Top 76%)12184(Top 968%)
24M24.00 mi1.00 mi20989+11112758+7312758+7318183(Top 64%)11015(Top 68%)11015(Top 875%)
40K24.85 mi0.85 mi20874+11512686+7212686+7217644(Top 62%)10665(Top 66%)10665(Top 847%)
25.2M25.20 mi0.35 mi20862+1212671+1512671+1520093(Top 71%)11835(Top 73%)11835(Top 940%)
Finish26.22 mi1.02 mi20854+812654+1712654+1721284(Top 75%)12425(Top 77%)12425(Top 987%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21439

Males

13138

M60-64

13138

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21567

Males

13156

M60-64

13156

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21439

Males

13138

M60-64

13138

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21363

Males

13066

M60-64

13066

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21198

Males

12995

M60-64

12995

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21399

Males

13037

M60-64

13037

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21198

Males

12803

M60-64

12803

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20876

Males

12530

M60-64

12530

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

20010

Males

12043

M60-64

12043

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20212

Males

12075

M60-64

12075

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20566

Males

12184

M60-64

12184

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18183

Males

11015

M60-64

11015

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17644

Males

10665

M60-64

10665

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20093

Males

11835

M60-64

11835

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21284

Males

12425

M60-64

12425

Passing Analysis

Category:
Athletes Passed
1591
Passed By
1689
Net Change
-98
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20756
5K → 10K127497-370#20756#21126
10K → 15K175241-66#21126#21192
15K → 20K186224-38#21192#21230
20K → Half32320#21230#21230
Half → 25K127193-66#21230#21296
25K → 30K193205-12#21296#21308
30K → 20M11874+44#21308#21264
20M → 21M11162+49#21264#21215
21M → 35K8520+65#21215#21150
35K → 23M11565+50#21150#21100
23M → 24M12514+111#21100#20989
24M → 40K1227+115#20989#20874
40K → 25.2M3220+12#20874#20862
25.2M → Finish4335+8#20862#20854
TOTALS15911689-98
📊

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