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BOSTON MARATHON 2025

Jeffrey Spencer

Bib: 24694•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
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
10:39/mi
33:06
↑ 97↓ 3451.5%
10K· 6.21 mi
10:59/mi
1:07:12
↑ 79↓ 1380.4%
15K· 9.32 mi
11:14/mi
1:42:05
↑ 67↓ 78
20K· 12.43 mi
11:41/mi
2:18:24
↑ 106↓ 860.1%
Half· 13.11 mi
12:01/mi
2:26:36
↑ 19↓ 370.5%
25K· 15.53 mi
12:35/mi
2:57:07
↑ 66↓ 880.2%
30K· 18.64 mi
13:48/mi
3:39:58
↑ 181↓ 1480.2%
20M
16:30/mi
4:02:24
↑ 64↓ 500.2%
21M
14:00/mi
4:16:24
↑ 106↓ 241.6%
35K· 21.75 mi
13:19/mi
4:26:22
↑ 17↓ 861.7%
23M
14:07/mi
4:44:02
↑ 23↓ 630.6%
24M
14:17/mi
4:58:19
↓ 821.3%
40K· 24.85 mi
14:54/mi
5:11:03
↓ 200.3%
25.2M
17:18/mi
5:17:01
↑ 13↓ 160.2%
Finish· 26.22 mi
14:27/mi
5:31:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:36
Pace11:11 /mi
2nd Half
Distance13.11 mi
Time3:05:09
Pace14:07 /mi
📊Positive Split: 26.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:5433:0610:3933:06
10:39
-
10K
6.21 mi12:08:001:07:1210:4934:06
10:59
+0:20
15K
9.32 mi12:42:531:42:0510:5734:53
11:14
+0:15
20K
12.43 mi13:19:122:18:2411:0836:19
11:41
+0:27
Half
13.11 mi13:27:242:26:3611:118:12
12:01
+0:20
25K
15.53 mi13:57:552:57:0711:2430:31
12:35
+0:34
30K
18.64 mi14:40:463:39:5811:4842:51
13:48
+1:13
20M
20.00 mi15:03:124:02:2412:0722:26
16:30
+2:42
21M
21.00 mi15:17:124:16:2412:1314:00
14:00
-2:30
35K
21.75 mi15:27:104:26:2212:159:58
13:19
-0:41
23M
23.00 mi15:44:504:44:0212:2117:40
14:07
+0:48
24M
24.00 mi15:59:074:58:1912:2614:17
14:17
+0:10
40K
24.85 mi16:11:515:11:0312:3112:44
14:54
+0:37
25.2M
25.20 mi16:17:495:17:0112:355:58
17:18
+2:24
Finish
26.22 mi16:32:335:31:4512:4014:44
14:27
-2:51

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

10:39 /mi

Average Pace

12:40 /mi

Slowest Pace

17:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:07

53% of race

Time at Steady Pace

1:53:30

34% of race

Time at Slower Pace

41:08

12% of race

Average Pace: 12:39 /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 mi11:33:5433:0610:3933:06
10:39
#27058
10K
6.21 mi12:08:001:07:1210:4934:06
10:59
#27054
15K
9.32 mi12:42:531:42:0510:5734:53
11:14
#27003
20K
12.43 mi13:19:122:18:2411:0836:19
11:41
#26976
Half
13.11 mi13:27:242:26:3611:118:12
12:01
#27001
25K
15.53 mi13:57:552:57:0711:2430:31
12:35
#27013
30K
18.64 mi14:40:463:39:5811:4842:51
13:48
#27095
20M
20.00 mi15:03:124:02:2412:0722:26
16:30
#27294
21M
21.00 mi15:17:124:16:2412:1314:00
14:00
#27265
35K
21.75 mi15:27:104:26:2212:159:58
13:19
#27278
23M
23.00 mi15:44:504:44:0212:2117:40
14:07
#27300
24M
24.00 mi15:59:074:58:1912:2614:17
14:17
#27349
40K
24.85 mi16:11:515:11:0312:3112:44
14:54
#27364
25.2M
25.20 mi16:17:495:17:0112:355:58
17:18
#27401
Finish
26.22 mi16:32:335:31:4512:4014:44
14:27
#27476
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi27058156291562926973(Top 95%)15543(Top 97%)15543(Top 2432%)
10K6.21 mi3.10 mi27054+415608+2115608+2127040(Top 95%)15578(Top 97%)15578(Top 2438%)
15K9.32 mi3.11 mi27003+5115575+3315575+3326973(Top 95%)15543(Top 97%)15543(Top 2432%)
20K12.43 mi3.11 mi26976+2715556+1915556+1926827(Top 94%)15471(Top 96%)15471(Top 2421%)
Half13.11 mi0.68 mi27001-2515561-515561-527475(Top 97%)15705(Top 98%)15705(Top 2458%)
25K15.53 mi2.42 mi27013-1215556+515556+526993(Top 95%)15504(Top 96%)15504(Top 2426%)
30K18.64 mi3.11 mi27095-8215574-1815574-1827359(Top 96%)15598(Top 97%)15598(Top 2441%)
20M20.00 mi1.36 mi27294-19915645-7115645-7128253(Top 99%)16012(Top 99%)16012(Top 2506%)
21M21.00 mi1.00 mi27265+2915626+1915626+1926242(Top 92%)15000(Top 93%)15000(Top 2347%)
35K21.75 mi0.75 mi27278-1315623+315623+327238(Top 96%)15456(Top 96%)15456(Top 2419%)
23M23.00 mi1.25 mi27300-2215624-115624-127415(Top 97%)15539(Top 96%)15539(Top 2432%)
24M24.00 mi1.00 mi27349-4915639-1515639-1527782(Top 98%)15694(Top 97%)15694(Top 2456%)
40K24.85 mi0.85 mi27364-1515640-115640-127722(Top 98%)15673(Top 97%)15673(Top 2453%)
25.2M25.20 mi0.35 mi27401-3715662-2215662-2228117(Top 99%)15898(Top 99%)15898(Top 2488%)
Finish26.22 mi1.02 mi27476-7515688-2615688-2628160(Top 99%)15942(Top 99%)15942(Top 2495%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

26973

Males

15543

M65-69

15543

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

27040

Males

15578

M65-69

15578

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

26973

Males

15543

M65-69

15543

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26827

Males

15471

M65-69

15471

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27475

Males

15705

M65-69

15705

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

26993

Males

15504

M65-69

15504

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27359

Males

15598

M65-69

15598

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28253

Males

16012

M65-69

16012

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26242

Males

15000

M65-69

15000

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27238

Males

15456

M65-69

15456

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27415

Males

15539

M65-69

15539

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27782

Males

15694

M65-69

15694

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27722

Males

15673

M65-69

15673

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28117

Males

15898

M65-69

15898

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

28160

Males

15942

M65-69

15942

Passing Analysis

Category:
Athletes Passed
616
Passed By
1034
Net Change
-418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27058
5K → 10K143139+4#27058#27054
10K → 15K13483+51#27054#27003
15K → 20K11689+27#27003#26976
20K → Half1439-25#26976#27001
Half → 25K6173-12#27001#27013
25K → 30K48130-82#27013#27095
30K → 20M1200-199#27095#27294
20M → 21M3910+29#27294#27265
21M → 35K1528-13#27265#27278
35K → 23M2244-22#27278#27300
23M → 24M857-49#27300#27349
24M → 40K1126-15#27349#27364
40K → 25.2M239-37#27364#27401
25.2M → Finish277-75#27401#27476
TOTALS6161034-418
📊

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