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BOSTON MARATHON 2025

Simon Mueller

Bib: 31173•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
8:56/mi
27:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
55:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:22:39
↑ 67↓ 78
20K· 12.43 mi
8:58/mi
1:50:31
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:56:36
↑ 19↓ 370.5%
25K· 15.53 mi
9:03/mi
2:18:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:46:46
↑ 181↓ 1480.2%
20M
9:12/mi
2:59:16
↑ 64↓ 500.2%
21M
9:26/mi
3:08:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:15:15
↑ 17↓ 861.7%
23M
9:16/mi
3:26:51
↑ 23↓ 630.6%
24M
9:22/mi
3:36:13
↓ 821.3%
40K· 24.85 mi
9:19/mi
3:44:11
↓ 200.3%
25.2M
10:00/mi
3:47:38
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:56:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:36
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time1:59:56
Pace9:09 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5427:468:5627:46
8:56
-
10K
6.21 mi12:18:1555:078:5227:21
8:48
-0:08
15K
9.32 mi12:45:471:22:398:5227:32
8:52
+0:04
20K
12.43 mi13:13:391:50:318:5427:52
8:58
+0:06
Half
13.11 mi13:19:441:56:368:546:05
8:55
-0:03
25K
15.53 mi13:41:412:18:338:5521:57
9:03
+0:08
30K
18.64 mi14:09:542:46:468:5728:13
9:05
+0:02
20M
20.00 mi14:22:242:59:168:5812:30
9:12
+0:07
21M
21.00 mi14:31:503:08:428:599:26
9:26
+0:14
35K
21.75 mi14:38:233:15:158:596:33
8:45
-0:41
23M
23.00 mi14:49:593:26:519:0011:36
9:16
+0:31
24M
24.00 mi14:59:213:36:139:019:22
9:22
+0:06
40K
24.85 mi15:07:193:44:119:017:58
9:19
-0:03
25.2M
25.20 mi15:10:463:47:389:023:27
10:00
+0:41
Finish
26.22 mi15:19:403:56:329:028:54
8:44
-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

8:44 /mi

Average Pace

9:02 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:53:05

99% of race

Time at Steady Pace

3:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi11:50:5427:468:5627:46
8:56
#22152
10K
6.21 mi12:18:1555:078:5227:21
8:48
#21803
15K
9.32 mi12:45:471:22:398:5227:32
8:52
#21632
20K
12.43 mi13:13:391:50:318:5427:52
8:58
#21406
Half
13.11 mi13:19:441:56:368:546:05
8:55
#21407
25K
15.53 mi13:41:412:18:338:5521:57
9:03
#21195
30K
18.64 mi14:09:542:46:468:5728:13
9:05
#20603
20M
20.00 mi14:22:242:59:168:5812:30
9:12
#20386
21M
21.00 mi14:31:503:08:428:599:26
9:26
#20123
35K
21.75 mi14:38:233:15:158:596:33
8:45
#20004
23M
23.00 mi14:49:593:26:519:0011:36
9:16
#19877
24M
24.00 mi14:59:213:36:139:019:22
9:22
#19846
40K
24.85 mi15:07:193:44:119:017:58
9:19
#19778
25.2M
25.20 mi15:10:463:47:389:023:27
10:00
#19735
Finish
26.22 mi15:19:403:56:329:028:54
8:44
#19664
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22152133821338221333(Top 75%)13088(Top 81%)13088(Top 656%)
10K6.21 mi3.10 mi21803+34913241+14113241+14121408(Top 75%)13092(Top 81%)13092(Top 656%)
15K9.32 mi3.11 mi21632+17113186+5513186+5521333(Top 75%)13088(Top 81%)13088(Top 656%)
20K12.43 mi3.11 mi21406+22613079+10713079+10720803(Top 73%)12796(Top 79%)12796(Top 641%)
Half13.11 mi0.68 mi21407-1130791307921430(Top 75%)13086(Top 81%)13086(Top 656%)
25K15.53 mi2.42 mi21195+21212985+9412985+9420133(Top 71%)12470(Top 77%)12470(Top 625%)
30K18.64 mi3.11 mi20603+59212676+30912676+30918098(Top 64%)11419(Top 71%)11419(Top 572%)
20M20.00 mi1.36 mi20386+21712560+11612560+11617771(Top 63%)11152(Top 69%)11152(Top 559%)
21M21.00 mi1.00 mi20123+26312416+14412416+14415782(Top 56%)10155(Top 63%)10155(Top 509%)
35K21.75 mi0.75 mi20004+11912355+6112355+6117012(Top 60%)10627(Top 66%)10627(Top 532%)
23M23.00 mi1.25 mi19877+12712269+8612269+8617620(Top 62%)10779(Top 67%)10779(Top 540%)
24M24.00 mi1.00 mi19846+3112229+4012229+4019088(Top 67%)11455(Top 71%)11455(Top 574%)
40K24.85 mi0.85 mi19778+6812182+4712182+4717926(Top 63%)10793(Top 67%)10793(Top 541%)
25.2M25.20 mi0.35 mi19735+4312161+2112161+2117032(Top 60%)10397(Top 65%)10397(Top 521%)
Finish26.22 mi1.02 mi19664+7112111+5012111+5017665(Top 62%)10718(Top 67%)10718(Top 537%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21333

Males

13088

M50-54

13088

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21408

Males

13092

M50-54

13092

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21333

Males

13088

M50-54

13088

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20803

Males

12796

M50-54

12796

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21430

Males

13086

M50-54

13086

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20133

Males

12470

M50-54

12470

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18098

Males

11419

M50-54

11419

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17771

Males

11152

M50-54

11152

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15782

Males

10155

M50-54

10155

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17012

Males

10627

M50-54

10627

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17620

Males

10779

M50-54

10779

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19088

Males

11455

M50-54

11455

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17926

Males

10793

M50-54

10793

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17032

Males

10397

M50-54

10397

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17665

Males

10718

M50-54

10718

Passing Analysis

Category:
Athletes Passed
3065
Passed By
577
Net Change
+2488
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22152
5K → 10K468119+349#22152#21803
10K → 15K297126+171#21803#21632
15K → 20K32195+226#21632#21406
20K → Half3233-1#21406#21407
Half → 25K25745+212#21407#21195
25K → 30K5986+592#21195#20603
30K → 20M22710+217#20603#20386
20M → 21M2685+263#20386#20123
21M → 35K1278+119#20123#20004
35K → 23M15225+127#20004#19877
23M → 24M8453+31#19877#19846
24M → 40K8719+68#19846#19778
40K → 25.2M5310+43#19778#19735
25.2M → Finish9423+71#19735#19664
TOTALS3065577+2488
📊

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