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BOSTON MARATHON 2025

Stephen Parker

Bib: 21553•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M60-64)
#0 / 1259
Top 6%
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
7:26/mi
23:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:09:32
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:32:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:37:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:29/mi
1:55:50
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:19:55
↑ 181↓ 1480.2%
20M
7:39/mi
2:30:19
↑ 64↓ 500.2%
21M
8:14/mi
2:38:33
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:43:58
↑ 17↓ 861.7%
23M
7:24/mi
2:53:14
↑ 23↓ 630.6%
24M
7:22/mi
3:00:36
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:07:11
↓ 200.3%
25.2M
8:13/mi
3:10:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:17:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:42
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:39:45
Pace7:37 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4923:057:2623:05
7:26
-
10K
6.21 mi11:43:1046:267:2823:21
7:31
+0:05
15K
9.32 mi12:06:161:09:327:2823:06
7:26
-0:05
20K
12.43 mi12:29:261:32:427:2823:10
7:27
+0:01
Half
13.11 mi12:34:261:37:427:275:00
7:20
-0:07
25K
15.53 mi12:52:341:55:507:2718:08
7:29
+0:09
30K
18.64 mi13:16:392:19:557:3024:05
7:45
+0:16
20M
20.00 mi13:27:032:30:197:3110:24
7:39
-0:06
21M
21.00 mi13:35:172:38:337:338:14
8:14
+0:35
35K
21.75 mi13:40:422:43:587:325:25
7:14
-1:00
23M
23.00 mi13:49:582:53:147:329:16
7:24
+0:10
24M
24.00 mi13:57:203:00:367:327:22
7:22
-0:02
40K
24.85 mi14:03:553:07:117:326:35
7:42
+0:20
25.2M
25.20 mi14:06:453:10:017:322:50
8:13
+0:31
Finish
26.22 mi14:14:113:17:277:327:26
7:18
-0:55

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

7:14 /mi

Average Pace

7:32 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:23

94% of race

Time at Steady Pace

11:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi11:19:4923:057:2623:05
7:26
#11605
10K
6.21 mi11:43:1046:267:2823:21
7:31
#11877
15K
9.32 mi12:06:161:09:327:2823:06
7:26
#11617
20K
12.43 mi12:29:261:32:427:2823:10
7:27
#11303
Half
13.11 mi12:34:261:37:427:275:00
7:20
#11238
25K
15.53 mi12:52:341:55:507:2718:08
7:29
#10950
30K
18.64 mi13:16:392:19:557:3024:05
7:45
#10638
20M
20.00 mi13:27:032:30:197:3110:24
7:39
#10384
21M
21.00 mi13:35:172:38:337:338:14
8:14
#10242
35K
21.75 mi13:40:422:43:587:325:25
7:14
#10077
23M
23.00 mi13:49:582:53:147:329:16
7:24
#9770
24M
24.00 mi13:57:203:00:367:327:22
7:22
#9595
40K
24.85 mi14:03:553:07:117:326:35
7:42
#9505
25.2M
25.20 mi14:06:453:10:017:322:50
8:13
#9449
Finish
26.22 mi14:14:113:17:277:327:26
7:18
#9344
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi116058993899311175(Top 39%)8680(Top 54%)8680(Top 689%)
10K6.21 mi3.10 mi11877-2729101-1089101-10812229(Top 43%)9244(Top 57%)9244(Top 734%)
15K9.32 mi3.11 mi11617+2608953+1488953+14811175(Top 39%)8680(Top 54%)8680(Top 689%)
20K12.43 mi3.11 mi11303+3148766+1878766+18710371(Top 37%)8203(Top 51%)8203(Top 652%)
Half13.11 mi0.68 mi11238+658738+288738+2810185(Top 36%)8101(Top 50%)8101(Top 643%)
25K15.53 mi2.42 mi10950+2888558+1808558+1809781(Top 34%)7746(Top 48%)7746(Top 615%)
30K18.64 mi3.11 mi10638+3128334+2248334+2249558(Top 34%)7458(Top 46%)7458(Top 592%)
20M20.00 mi1.36 mi10384+2548164+1708164+1708050(Top 28%)6477(Top 40%)6477(Top 514%)
21M21.00 mi1.00 mi10242+1428051+1138051+1138777(Top 31%)6696(Top 42%)6696(Top 532%)
35K21.75 mi0.75 mi10077+1657942+1097942+1096868(Top 24%)5627(Top 35%)5627(Top 447%)
23M23.00 mi1.25 mi9770+3077753+1897753+1896067(Top 21%)5012(Top 31%)5012(Top 398%)
24M24.00 mi1.00 mi9595+1757624+1297624+1296835(Top 24%)5434(Top 34%)5434(Top 432%)
40K24.85 mi0.85 mi9505+907546+787546+788071(Top 28%)6033(Top 37%)6033(Top 479%)
25.2M25.20 mi0.35 mi9449+567494+527494+527147(Top 25%)5437(Top 34%)5437(Top 432%)
Finish26.22 mi1.02 mi9344+1057402+927402+927735(Top 27%)5764(Top 36%)5764(Top 458%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11175

Males

8680

M60-64

8680

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12229

Males

9244

M60-64

9244

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11175

Males

8680

M60-64

8680

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10371

Males

8203

M60-64

8203

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10185

Males

8101

M60-64

8101

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9781

Males

7746

M60-64

7746

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9558

Males

7458

M60-64

7458

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

8050

Males

6477

M60-64

6477

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8777

Males

6696

M60-64

6696

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6868

Males

5627

M60-64

5627

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

6067

Males

5012

M60-64

5012

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6835

Males

5434

M60-64

5434

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

8071

Males

6033

M60-64

6033

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7147

Males

5437

M60-64

5437

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7735

Males

5764

M60-64

5764

Passing Analysis

Category:
Athletes Passed
3039*
Passed By
778
Net Change
+2261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11605
5K → 10K142414-272#11605#11877
10K → 15K32969+260#11877#11617
15K → 20K36349+314#11617#11303
20K → Half705+65#11303#11238
Half → 25K31729+288#11238#10950
25K → 30K39684+312#10950#10638
30K → 20M26511+254#10638#10384
20M → 21M17533+142#10384#10242
21M → 35K1694+165#10242#10077
35K → 23M312*5+307#10077#9770
23M → 24M18813+175#9770#9595
24M → 40K11525+90#9595#9505
40K → 25.2M6610+56#9505#9449
25.2M → Finish13227+105#9449#9344
TOTALS3039*778+2261

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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