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BOSTON MARATHON 2025

Derek Eysenbach

Bib: 10802•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
7:06/mi
22:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
44:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:08:13
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:37:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:41:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
2:00:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:26:05
↑ 181↓ 1480.2%
20M
8:39/mi
2:37:50
↑ 64↓ 500.2%
21M
9:57/mi
2:47:47
↑ 106↓ 241.6%
35K· 21.75 mi
10:11/mi
2:55:24
↑ 17↓ 861.7%
23M
9:06/mi
3:06:48
↑ 23↓ 630.6%
24M
8:51/mi
3:15:39
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:23:08
↓ 200.3%
25.2M
10:15/mi
3:26:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
3:35:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:52
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:53:57
Pace8:42 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2322:037:0622:03
7:06
-
10K
6.21 mi11:17:1844:587:1422:55
7:23
+0:17
15K
9.32 mi11:40:331:08:137:1923:15
7:29
+0:06
20K
12.43 mi12:09:201:37:007:4828:47
9:16
+1:47
Half
13.11 mi12:14:121:41:527:464:52
7:08
-2:08
25K
15.53 mi12:32:442:00:247:4518:32
7:39
+0:31
30K
18.64 mi12:58:252:26:057:5025:41
8:16
+0:37
20M
20.00 mi13:10:102:37:507:5311:45
8:39
+0:23
21M
21.00 mi13:20:072:47:477:599:57
9:57
+1:18
35K
21.75 mi13:27:442:55:248:047:37
10:11
+0:14
23M
23.00 mi13:39:083:06:488:0711:24
9:06
-1:05
24M
24.00 mi13:47:593:15:398:098:51
8:51
-0:15
40K
24.85 mi13:55:283:23:088:107:29
8:45
-0:06
25.2M
25.20 mi13:59:003:26:408:123:32
10:15
+1:30
Finish
26.22 mi14:08:093:35:498:149:09
8:59
-1:16

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

7:06 /mi

Average Pace

8:14 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:37

42% of race

Time at Steady Pace

1:43:06

48% of race

Time at Slower Pace

21:06

10% of race

Average Pace: 8:14 /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 mi10:54:2322:037:0622:03
7:06
#8620
10K
6.21 mi11:17:1844:587:1422:55
7:23
#9776
15K
9.32 mi11:40:331:08:137:1923:15
7:29
#10369
20K
12.43 mi12:09:201:37:007:4828:47
9:16
#14287
Half
13.11 mi12:14:121:41:527:464:52
7:08
#14002
25K
15.53 mi12:32:442:00:247:4518:32
7:39
#13435
30K
18.64 mi12:58:252:26:057:5025:41
8:16
#13389
20M
20.00 mi13:10:102:37:507:5311:45
8:39
#13463
21M
21.00 mi13:20:072:47:477:599:57
9:57
#13782
35K
21.75 mi13:27:442:55:248:047:37
10:11
#14323
23M
23.00 mi13:39:083:06:488:0711:24
9:06
#14478
24M
24.00 mi13:47:593:15:398:098:51
8:51
#14560
40K
24.85 mi13:55:283:23:088:107:29
8:45
#14548
25.2M
25.20 mi13:59:003:26:408:123:32
10:15
#14602
Finish
26.22 mi14:08:093:35:498:149:09
8:59
#14775
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi86207397739711619(Top 41%)8895(Top 55%)8895(Top 373%)
10K6.21 mi3.10 mi9776-11568049-6528049-65210977(Top 39%)8655(Top 54%)8655(Top 363%)
15K9.32 mi3.11 mi10369-5938334-2858334-28511619(Top 41%)8895(Top 55%)8895(Top 373%)
20K12.43 mi3.11 mi14287-391810078-174410078-174422145(Top 78%)13418(Top 83%)13418(Top 562%)
Half13.11 mi0.68 mi14002+2859957+1219957+1218568(Top 30%)7251(Top 45%)7251(Top 304%)
25K15.53 mi2.42 mi13435+5679669+2889669+28811092(Top 39%)8438(Top 52%)8438(Top 354%)
30K18.64 mi3.11 mi13389+469588+819588+8113273(Top 47%)9253(Top 57%)9253(Top 388%)
20M20.00 mi1.36 mi13463-749593-59593-514694(Top 52%)9779(Top 61%)9779(Top 410%)
21M21.00 mi1.00 mi13782-3199693-1009693-10018086(Top 64%)11195(Top 70%)11195(Top 469%)
35K21.75 mi0.75 mi14323-5419929-2369929-23622352(Top 79%)13074(Top 81%)13074(Top 548%)
23M23.00 mi1.25 mi14478-1559961-329961-3216820(Top 59%)10432(Top 65%)10432(Top 437%)
24M24.00 mi1.00 mi14560-829973-129973-1216563(Top 58%)10278(Top 64%)10278(Top 431%)
40K24.85 mi0.85 mi14548+129933+409933+4014898(Top 52%)9395(Top 58%)9395(Top 394%)
25.2M25.20 mi0.35 mi14602-549943-109943-1018009(Top 63%)10809(Top 67%)10809(Top 453%)
Finish26.22 mi1.02 mi14775-1739991-489991-4818901(Top 67%)11301(Top 70%)11301(Top 474%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11619

Males

8895

M45-49

8895

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10977

Males

8655

M45-49

8655

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11619

Males

8895

M45-49

8895

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22145

Males

13418

M45-49

13418

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8568

Males

7251

M45-49

7251

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11092

Males

8438

M45-49

8438

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13273

Males

9253

M45-49

9253

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14694

Males

9779

M45-49

9779

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18086

Males

11195

M45-49

11195

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22352

Males

13074

M45-49

13074

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16820

Males

10432

M45-49

10432

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16563

Males

10278

M45-49

10278

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14898

Males

9395

M45-49

9395

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

18009

Males

10809

M45-49

10809

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

18901

Males

11301

M45-49

11301

Passing Analysis

Category:
Athletes Passed
1598
Passed By
7749
Net Change
-6155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8620
5K → 10K251180-1156#8620#9776
10K → 15K55646-593#9776#10369
15K → 20K53922-3918#10369#14287
20K → Half2850+285#14287#14002
Half → 25K5681+567#14002#13435
25K → 30K272226+46#13435#13389
30K → 20M103177-74#13389#13463
20M → 21M44363-319#13463#13782
21M → 35K6547-541#13782#14323
35K → 23M69224-155#14323#14478
23M → 24M44126-82#14478#14560
24M → 40K7361+12#14560#14548
40K → 25.2M1872-54#14548#14602
25.2M → Finish31204-173#14602#14775
TOTALS15987749-6155
📊

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