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BOSTON MARATHON 2025

Loren Starr

Bib: 8490•M

FL

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
25:32
Rank: #18235
Start → 5K
25:32 | 8:13/mi
10K· 6.21 mi
51:57
Rank: #18994 (-759)
5K → 10K
26:25 | 8:30/mi
15K· 9.32 mi
1:19:11
Rank: #19618 (-624)
10K → 15K
27:14 | 8:46/mi
20K· 12.43 mi
1:47:17
Rank: #20039 (-421)
15K → 20K
28:06 | 9:03/mi
Half· 13.11 mi
1:53:23
Rank: #20111 (-72)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:15:49
Rank: #20315 (-204)
Half → 25K
22:26 | 9:15/mi
30K· 18.64 mi
2:46:22
Rank: #20502 (-187)
25K → 30K
30:33 | 9:50/mi
20M
3:00:22
Rank: #20638 (-136)
30K → 20M
14:00 | 10:18/mi
21M
3:11:54
Rank: #20820 (-182)
20M → 21M
11:32 | 11:32/mi
35K· 21.75 mi
3:18:57
Rank: #20790 (+30)
21M → 35K
7:03 | 9:25/mi
23M
3:31:09
Rank: #20736 (+54)
35K → 23M
12:12 | 9:45/mi
24M
3:40:54
Rank: #20754 (-18)
23M → 24M
9:45 | 9:45/mi
40K· 24.85 mi
3:49:07
Rank: #20685 (+69)
24M → 40K
8:13 | 9:37/mi
25.2M
3:53:40
Rank: #20797 (-112)
40K → 25.2M
4:33 | 13:12/mi
Finish· 26.22 mi
4:03:50
Rank: #20862 (-65)
25.2M → Finish
10:10 | 9:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:10:27
Pace9:57 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:33:1125:328:1325:32
8:13
-
10K
6.21 mi10:59:3651:578:2226:25
8:30
+0:17
15K
9.32 mi11:26:501:19:118:3027:14
8:46
+0:16
20K
12.43 mi11:54:561:47:178:3828:06
9:03
+0:17
Half
13.11 mi12:01:021:53:238:396:06
8:56
-0:07
25K
15.53 mi12:23:282:15:498:4522:26
9:15
+0:19
30K
18.64 mi12:54:012:46:228:5530:33
9:50
+0:35
20M
20.00 mi13:08:013:00:229:0114:00
10:18
+0:28
21M
21.00 mi13:19:333:11:549:0811:32
11:32
+1:14
35K
21.75 mi13:26:363:18:579:097:03
9:25
-2:07
23M
23.00 mi13:38:483:31:099:1112:12
9:45
+0:20
24M
24.00 mi13:48:333:40:549:129:45
9:45
0:00
40K
24.85 mi13:56:463:49:079:138:13
9:37
-0:08
25.2M
25.20 mi14:01:193:53:409:164:33
13:12
+3:35
Finish
26.22 mi14:11:294:03:509:1810:10
9:59
-3:13

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

8:13 /mi

Average Pace

9:18 /mi

Slowest Pace

13:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:17

35% of race

Time at Steady Pace

2:08:28

53% of race

Time at Slower Pace

30:05

12% 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 mi10:33:1125:328:1325:32
8:13
#18235
10K
6.21 mi10:59:3651:578:2226:25
8:30
#18994
15K
9.32 mi11:26:501:19:118:3027:14
8:46
#19618
20K
12.43 mi11:54:561:47:178:3828:06
9:03
#20039
Half
13.11 mi12:01:021:53:238:396:06
8:56
#20111
25K
15.53 mi12:23:282:15:498:4522:26
9:15
#20315
30K
18.64 mi12:54:012:46:228:5530:33
9:50
#20502
20M
20.00 mi13:08:013:00:229:0114:00
10:18
#20638
21M
21.00 mi13:19:333:11:549:0811:32
11:32
#20820
35K
21.75 mi13:26:363:18:579:097:03
9:25
#20790
23M
23.00 mi13:38:483:31:099:1112:12
9:45
#20736
24M
24.00 mi13:48:333:40:549:129:45
9:45
#20754
40K
24.85 mi13:56:463:49:079:138:13
9:37
#20685
25.2M
25.20 mi14:01:193:53:409:164:33
13:12
#20797
Finish
26.22 mi14:11:294:03:509:1810:10
9:59
#20862
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18235117011170120839(Top 73%)12872(Top 80%)12872(Top 1022%)
10K6.21 mi3.10 mi18994-75912040-33912040-33919812(Top 70%)12391(Top 77%)12391(Top 984%)
15K9.32 mi3.11 mi19618-62412317-27712317-27720839(Top 73%)12872(Top 80%)12872(Top 1022%)
20K12.43 mi3.11 mi20039-42112488-17112488-17121189(Top 75%)12977(Top 81%)12977(Top 1031%)
Half13.11 mi0.68 mi20111-7212517-2912517-2921541(Top 76%)13145(Top 82%)13145(Top 1044%)
25K15.53 mi2.42 mi20315-20412593-7612593-7620973(Top 74%)12831(Top 80%)12831(Top 1019%)
30K18.64 mi3.11 mi20502-18712631-3812631-3821093(Top 74%)12758(Top 79%)12758(Top 1013%)
20M20.00 mi1.36 mi20638-13612671-4012671-4021865(Top 77%)12989(Top 81%)12989(Top 1032%)
21M21.00 mi1.00 mi20820-18212745-7412745-7422662(Top 80%)13273(Top 82%)13273(Top 1054%)
35K21.75 mi0.75 mi20790+3012709+3612709+3620032(Top 71%)11986(Top 74%)11986(Top 952%)
23M23.00 mi1.25 mi20736+5412665+4412665+4419588(Top 69%)11716(Top 73%)11716(Top 931%)
24M24.00 mi1.00 mi20754-1812658+712658+720555(Top 72%)12131(Top 75%)12131(Top 964%)
40K24.85 mi0.85 mi20685+6912611+4712611+4719124(Top 67%)11385(Top 71%)11385(Top 904%)
25.2M25.20 mi0.35 mi20797-11212644-3312644-3325278(Top 89%)14378(Top 89%)14378(Top 1142%)
Finish26.22 mi1.02 mi20862-6512657-1312657-1322851(Top 80%)13199(Top 82%)13199(Top 1048%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20839

Males

12872

M60-64

12872

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19812

Males

12391

M60-64

12391

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20839

Males

12872

M60-64

12872

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21189

Males

12977

M60-64

12977

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21541

Males

13145

M60-64

13145

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

20973

Males

12831

M60-64

12831

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

21093

Males

12758

M60-64

12758

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21865

Males

12989

M60-64

12989

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22662

Males

13273

M60-64

13273

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20032

Males

11986

M60-64

11986

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19588

Males

11716

M60-64

11716

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20555

Males

12131

M60-64

12131

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19124

Males

11385

M60-64

11385

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25278

Males

14378

M60-64

14378

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22851

Males

13199

M60-64

13199

Passing Analysis

Category:
Athletes Passed
954
Passed By
3581
Net Change
-2627
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18235
5K → 10K72831-759#18235#18994
10K → 15K53677-624#18994#19618
15K → 20K89510-421#19618#20039
20K → Half1385-72#20039#20111
Half → 25K99303-204#20111#20315
25K → 30K174361-187#20315#20502
30K → 20M65201-136#20502#20638
20M → 21M45227-182#20638#20820
21M → 35K6636+30#20820#20790
35K → 23M11662+54#20790#20736
23M → 24M5068-18#20736#20754
24M → 40K8617+69#20754#20685
40K → 25.2M9121-112#20685#20797
25.2M → Finish1782-65#20797#20862
TOTALS9543581-2627
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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