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BOSTON MARATHON 2025

Marc Niederer

Bib: 17624•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 50%
Masters (Masters Men)
#0 / 10463
Top 39%
Division (M55-59)
#0 / 1648
Top 21%
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
6:51/mi
21:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
43:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:05:47
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:28:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:33:49
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:52:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:17:06
↑ 181↓ 1480.2%
20M
8:17/mi
2:28:22
↑ 64↓ 500.2%
21M
8:49/mi
2:37:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:43:24
↑ 17↓ 861.7%
23M
8:31/mi
2:54:04
↑ 23↓ 630.6%
24M
8:28/mi
3:02:32
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:09:49
↓ 200.3%
25.2M
9:20/mi
3:13:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:09/mi
3:21:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:49
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:47:31
Pace8:12 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:3121:176:5121:17
6:51
-
10K
6.21 mi11:33:3543:216:5922:04
7:06
+0:15
15K
9.32 mi11:56:011:05:477:0322:26
7:13
+0:07
20K
12.43 mi12:19:051:28:517:0923:04
7:25
+0:12
Half
13.11 mi12:24:031:33:497:094:58
7:17
-0:08
25K
15.53 mi12:42:141:52:007:1318:11
7:30
+0:13
30K
18.64 mi13:07:202:17:067:2125:06
8:05
+0:35
20M
20.00 mi13:18:362:28:227:2511:16
8:17
+0:12
21M
21.00 mi13:27:252:37:117:298:49
8:49
+0:32
35K
21.75 mi13:33:382:43:247:316:13
8:19
-0:30
23M
23.00 mi13:44:182:54:047:3410:40
8:31
+0:12
24M
24.00 mi13:52:463:02:327:368:28
8:28
-0:03
40K
24.85 mi14:00:033:09:497:387:17
8:31
+0:03
25.2M
25.20 mi14:03:163:13:027:403:13
9:20
+0:49
Finish
26.22 mi14:11:343:21:207:418:18
8:09
-1:11

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

6:51 /mi

Average Pace

7:41 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:00

56% of race

Time at Steady Pace

59:21

29% of race

Time at Slower Pace

29:59

15% of race

Average Pace: 7:41 /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 mi11:11:3121:176:5121:17
6:51
#6711
10K
6.21 mi11:33:3543:216:5922:04
7:06
#7694
15K
9.32 mi11:56:011:05:477:0322:26
7:13
#8186
20K
12.43 mi12:19:051:28:517:0923:04
7:25
#8538
Half
13.11 mi12:24:031:33:497:094:58
7:17
#8595
25K
15.53 mi12:42:141:52:007:1318:11
7:30
#8756
30K
18.64 mi13:07:202:17:067:2125:06
8:05
#9315
20M
20.00 mi13:18:362:28:227:2511:16
8:17
#9539
21M
21.00 mi13:27:252:37:117:298:49
8:49
#9686
35K
21.75 mi13:33:382:43:247:316:13
8:19
#9854
23M
23.00 mi13:44:182:54:047:3410:40
8:31
#10083
24M
24.00 mi13:52:463:02:327:368:28
8:28
#10273
40K
24.85 mi14:00:033:09:497:387:17
8:31
#10375
25.2M
25.20 mi14:03:163:13:027:403:13
9:20
#10425
Finish
26.22 mi14:11:343:21:207:418:18
8:09
#10532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi6711608660869287(Top 33%)7705(Top 48%)7705(Top 468%)
10K6.21 mi3.10 mi7694-9836790-7046790-7048695(Top 31%)7417(Top 46%)7417(Top 450%)
15K9.32 mi3.11 mi8186-4927091-3017091-3019287(Top 33%)7705(Top 48%)7705(Top 468%)
20K12.43 mi3.11 mi8538-3527286-1957286-19510099(Top 36%)8068(Top 50%)8068(Top 490%)
Half13.11 mi0.68 mi8595-577310-247310-249791(Top 34%)7919(Top 49%)7919(Top 481%)
25K15.53 mi2.42 mi8756-1617393-837393-839938(Top 35%)7838(Top 49%)7838(Top 476%)
30K18.64 mi3.11 mi9315-5597645-2527645-25211933(Top 42%)8639(Top 54%)8639(Top 524%)
20M20.00 mi1.36 mi9539-2247723-787723-7812398(Top 44%)8717(Top 54%)8717(Top 529%)
21M21.00 mi1.00 mi9686-1477785-627785-6212365(Top 44%)8538(Top 53%)8538(Top 518%)
35K21.75 mi0.75 mi9854-1687842-577842-5714252(Top 50%)9383(Top 58%)9383(Top 569%)
23M23.00 mi1.25 mi10083-2297912-707912-7013396(Top 47%)8881(Top 55%)8881(Top 539%)
24M24.00 mi1.00 mi10273-1907975-637975-6314259(Top 50%)9258(Top 57%)9258(Top 562%)
40K24.85 mi0.85 mi10375-1027988-137988-1313512(Top 48%)8756(Top 54%)8756(Top 531%)
25.2M25.20 mi0.35 mi10425-507998-107998-1013522(Top 48%)8692(Top 54%)8692(Top 527%)
Finish26.22 mi1.02 mi10532-1078017-198017-1913868(Top 49%)8937(Top 55%)8937(Top 542%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9287

Males

7705

M55-59

7705

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8695

Males

7417

M55-59

7417

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9287

Males

7705

M55-59

7705

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10099

Males

8068

M55-59

8068

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9791

Males

7919

M55-59

7919

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9938

Males

7838

M55-59

7838

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11933

Males

8639

M55-59

8639

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12398

Males

8717

M55-59

8717

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12365

Males

8538

M55-59

8538

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14252

Males

9383

M55-59

9383

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13396

Males

8881

M55-59

8881

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14259

Males

9258

M55-59

9258

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13512

Males

8756

M55-59

8756

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13522

Males

8692

M55-59

8692

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13868

Males

8937

M55-59

8937

Passing Analysis

Category:
Athletes Passed
698
Passed By
4516
Net Change
-3821
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6711
5K → 10K251008-983#6711#7694
10K → 15K36528-492#7694#8186
15K → 20K84436-352#8186#8538
20K → Half1471-57#8538#8595
Half → 25K93254-161#8595#8756
25K → 30K99658-559#8756#9315
30K → 20M53277-224#9315#9539
20M → 21M51198-147#9539#9686
21M → 35K32200-168#9686#9854
35K → 23M51278-229#9854#10083
23M → 24M41230-190#10083#10273
24M → 40K56158-102#10273#10375
40K → 25.2M1565-50#10375#10425
25.2M → Finish48155-107#10425#10532
TOTALS6984516-3821
📊

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