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BOSTON MARATHON 2025

David Spellman

FL

Bib: 18631 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
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:03/mi
25:00
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:07/mi
50:14
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:07/mi
1:15:26
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:16/mi
1:41:08
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:12/mi
1:46:44
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:26/mi
2:07:11
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:42/mi
2:34:12
↑ 181↓ 1480.2%
138 ft elev
20M
8:58/mi
2:46:23
↑ 64↓ 500.2%
148 ft elev
21M
9:10/mi
2:55:33
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:31/mi
3:01:55
↑ 17↓ 861.7%
156 ft elev
23M
8:54/mi
3:13:03
↑ 23↓ 630.6%
116 ft elev
24M
8:37/mi
3:21:40
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:57/mi
3:29:19
↓ 200.3%
20 ft elev
25.2M
9:20/mi
3:32:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:10/mi
3:40:51
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:44
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:54:07
Pace8:42 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1525:008:0325:00
8:03
-
10K
6.21 mi11:41:2950:148:0525:14
8:07
+0:04
15K
9.32 mi12:06:411:15:268:0625:12
8:07
0:00
20K
12.43 mi12:32:231:41:088:0825:42
8:16
+0:09
Half
13.11 mi12:37:591:46:448:085:36
8:12
-0:04
25K
15.53 mi12:58:262:07:118:1120:27
8:26
+0:14
30K
18.64 mi13:25:272:34:128:1627:01
8:42
+0:16
20M
20.00 mi13:37:382:46:238:1912:11
8:58
+0:16
21M
21.00 mi13:46:482:55:338:229:10
9:10
+0:12
35K
21.75 mi13:53:103:01:558:226:22
8:31
-0:39
23M
23.00 mi14:04:183:13:038:2411:08
8:54
+0:23
24M
24.00 mi14:12:553:21:408:248:37
8:37
-0:17
40K
24.85 mi14:20:343:29:198:257:39
8:57
+0:20
25.2M
25.20 mi14:23:473:32:328:263:13
9:20
+0:23
Finish
26.22 mi14:32:063:40:518:268:19
8:10
-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

8:03 /mi

Average Pace

8:26 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:30

80% of race

Time at Steady Pace

43:21

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:25 /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 mi11:16:1525:008:0325:00
8:03
#16947
10K
6.21 mi11:41:2950:148:0525:14
8:07
#17148
15K
9.32 mi12:06:411:15:268:0625:12
8:07
#17025
20K
12.43 mi12:32:231:41:088:0825:42
8:16
#16952
Half
13.11 mi12:37:591:46:448:085:36
8:12
#16962
25K
15.53 mi12:58:262:07:118:1120:27
8:26
#16875
30K
18.64 mi13:25:272:34:128:1627:01
8:42
#16672
20M
20.00 mi13:37:382:46:238:1912:11
8:58
#16628
21M
21.00 mi13:46:482:55:338:229:10
9:10
#16447
35K
21.75 mi13:53:103:01:558:226:22
8:31
#16382
23M
23.00 mi14:04:183:13:038:2411:08
8:54
#16287
24M
24.00 mi14:12:553:21:408:248:37
8:37
#16215
40K
24.85 mi14:20:343:29:198:257:39
8:57
#16217
25.2M
25.20 mi14:23:473:32:328:263:13
9:20
#16160
Finish
26.22 mi14:32:063:40:518:268:19
8:10
#16076
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16947111811118116803(Top 59%)11144(Top 69%)11144(Top 885%)
10K6.21 mi3.10 mi17148-20111282-10111282-10117353(Top 61%)11392(Top 71%)11392(Top 905%)
15K9.32 mi3.11 mi17025+12311244+3811244+3816803(Top 59%)11144(Top 69%)11144(Top 885%)
20K12.43 mi3.11 mi16952+7311189+5511189+5516767(Top 59%)11074(Top 69%)11074(Top 880%)
Half13.11 mi0.68 mi16962-1011191-211191-217276(Top 61%)11303(Top 70%)11303(Top 898%)
25K15.53 mi2.42 mi16875+8711136+5511136+5516757(Top 59%)10985(Top 68%)10985(Top 873%)
30K18.64 mi3.11 mi16672+20311003+13311003+13315976(Top 56%)10485(Top 65%)10485(Top 833%)
20M20.00 mi1.36 mi16628+4410956+4710956+4716593(Top 58%)10635(Top 66%)10635(Top 845%)
21M21.00 mi1.00 mi16447+18110844+11210844+11214424(Top 51%)9535(Top 59%)9535(Top 757%)
35K21.75 mi0.75 mi16382+6510804+4010804+4015516(Top 55%)9947(Top 62%)9947(Top 790%)
23M23.00 mi1.25 mi16287+9510732+7210732+7215623(Top 55%)9905(Top 62%)9905(Top 787%)
24M24.00 mi1.00 mi16215+7210667+6510667+6515244(Top 54%)9697(Top 60%)9697(Top 770%)
40K24.85 mi0.85 mi16217-210649+1810649+1815990(Top 56%)9916(Top 62%)9916(Top 788%)
25.2M25.20 mi0.35 mi16160+5710615+3410615+3413580(Top 48%)8750(Top 54%)8750(Top 695%)
Finish26.22 mi1.02 mi16076+8410558+5710558+5714000(Top 49%)9020(Top 56%)9020(Top 716%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16803

Males

11144

M60-64

11144

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17353

Males

11392

M60-64

11392

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16803

Males

11144

M60-64

11144

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16767

Males

11074

M60-64

11074

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17276

Males

11303

M60-64

11303

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16757

Males

10985

M60-64

10985

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15976

Males

10485

M60-64

10485

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16593

Males

10635

M60-64

10635

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14424

Males

9535

M60-64

9535

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15516

Males

9947

M60-64

9947

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15623

Males

9905

M60-64

9905

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15244

Males

9697

M60-64

9697

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15990

Males

9916

M60-64

9916

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13580

Males

8750

M60-64

8750

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

14000

Males

9020

M60-64

9020

Passing Analysis

Category:
Athletes Passed
2175
Passed By
1304
Net Change
+871
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16947
5K → 10K221422-201#16947#17148
10K → 15K261138+123#17148#17025
15K → 20K225152+73#17025#16952
20K → Half3343-10#16952#16962
Half → 25K18699+87#16962#16875
25K → 30K316113+203#16875#16672
30K → 20M12884+44#16672#16628
20M → 21M20322+181#16628#16447
21M → 35K9227+65#16447#16382
35K → 23M15661+95#16382#16287
23M → 24M11139+72#16287#16215
24M → 40K6466-2#16215#16217
40K → 25.2M658+57#16217#16160
25.2M → Finish11430+84#16160#16076
TOTALS21751304+871
📊

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