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BOSTON MARATHON 2025

Simon Oliver

Bib: 15145•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 45%
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
7:47/mi
24:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
49:57
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:14:54
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:40:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:45:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:05:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:31:41
↑ 181↓ 1480.2%
20M
8:20/mi
2:43:00
↑ 64↓ 500.2%
21M
8:50/mi
2:51:50
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:57:39
↑ 17↓ 861.7%
23M
8:06/mi
3:07:47
↑ 23↓ 630.6%
24M
7:52/mi
3:15:39
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:22:32
↓ 200.3%
25.2M
9:25/mi
3:25:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:34:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:45
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:49:01
Pace8:19 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2624:107:4724:10
7:47
-
10K
6.21 mi11:22:1349:578:0225:47
8:18
+0:31
15K
9.32 mi11:47:101:14:548:0224:57
8:02
-0:16
20K
12.43 mi12:12:341:40:188:0425:24
8:11
+0:09
Half
13.11 mi12:18:011:45:458:045:27
7:59
-0:12
25K
15.53 mi12:37:452:05:298:0519:44
8:08
+0:09
30K
18.64 mi13:03:572:31:418:0826:12
8:26
+0:18
20M
20.00 mi13:15:162:43:008:0911:19
8:20
-0:06
21M
21.00 mi13:24:062:51:508:118:50
8:50
+0:30
35K
21.75 mi13:29:552:57:398:105:49
7:46
-1:04
23M
23.00 mi13:40:033:07:478:1010:08
8:06
+0:20
24M
24.00 mi13:47:553:15:398:097:52
7:52
-0:14
40K
24.85 mi13:54:483:22:328:096:53
8:03
+0:11
25.2M
25.20 mi13:58:033:25:478:103:15
9:25
+1:22
Finish
26.22 mi14:07:023:34:468:128:59
8:49
-0:36

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

7:46 /mi

Average Pace

8:12 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:51

18% of race

Time at Steady Pace

2:09:39

60% of race

Time at Slower Pace

47:16

22% of race

Average Pace: 8:11 /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 mi10:56:2624:107:4724:10
7:47
#14605
10K
6.21 mi11:22:1349:578:0225:47
8:18
#16814
15K
9.32 mi11:47:101:14:548:0224:57
8:02
#16601
20K
12.43 mi12:12:341:40:188:0425:24
8:11
#16456
Half
13.11 mi12:18:011:45:458:045:27
7:59
#16431
25K
15.53 mi12:37:452:05:298:0519:44
8:08
#16152
30K
18.64 mi13:03:572:31:418:0826:12
8:26
#15792
20M
20.00 mi13:15:162:43:008:0911:19
8:20
#15473
21M
21.00 mi13:24:062:51:508:118:50
8:50
#15273
35K
21.75 mi13:29:552:57:398:105:49
7:46
#15073
23M
23.00 mi13:40:033:07:478:1010:08
8:06
#14767
24M
24.00 mi13:47:553:15:398:097:52
7:52
#14558
40K
24.85 mi13:54:483:22:328:096:53
8:03
#14369
25.2M
25.20 mi13:58:033:25:478:103:15
9:25
#14371
Finish
26.22 mi14:07:023:34:468:128:59
8:49
#14504
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14605102761027616268(Top 57%)10925(Top 68%)10925(Top 663%)
10K6.21 mi3.10 mi16814-220911143-86711143-86718527(Top 65%)11855(Top 74%)11855(Top 719%)
15K9.32 mi3.11 mi16601+21311062+8111062+8116268(Top 57%)10925(Top 68%)10925(Top 663%)
20K12.43 mi3.11 mi16456+14511000+6211000+6216134(Top 57%)10793(Top 67%)10793(Top 655%)
Half13.11 mi0.68 mi16431+2510989+1110989+1115740(Top 55%)10658(Top 66%)10658(Top 647%)
25K15.53 mi2.42 mi16152+27910856+13310856+13314885(Top 52%)10151(Top 63%)10151(Top 616%)
30K18.64 mi3.11 mi15792+36010642+21410642+21414342(Top 50%)9750(Top 61%)9750(Top 592%)
20M20.00 mi1.36 mi15473+31910469+17310469+17312666(Top 45%)8854(Top 55%)8854(Top 537%)
21M21.00 mi1.00 mi15273+20010351+11810351+11812497(Top 44%)8615(Top 53%)8615(Top 523%)
35K21.75 mi0.75 mi15073+20010248+10310248+10310625(Top 37%)7694(Top 48%)7694(Top 467%)
23M23.00 mi1.25 mi14767+30610085+16310085+16310706(Top 38%)7601(Top 47%)7601(Top 461%)
24M24.00 mi1.00 mi14558+2099971+1149971+11410330(Top 36%)7350(Top 46%)7350(Top 446%)
40K24.85 mi0.85 mi14369+1899847+1249847+12410554(Top 37%)7339(Top 46%)7339(Top 445%)
25.2M25.20 mi0.35 mi14371-29838+99838+914107(Top 50%)8992(Top 56%)8992(Top 546%)
Finish26.22 mi1.02 mi14504-1339867-299867-2918103(Top 64%)10910(Top 68%)10910(Top 662%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16268

Males

10925

M55-59

10925

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18527

Males

11855

M55-59

11855

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16268

Males

10925

M55-59

10925

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16134

Males

10793

M55-59

10793

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15740

Males

10658

M55-59

10658

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14885

Males

10151

M55-59

10151

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14342

Males

9750

M55-59

9750

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12666

Males

8854

M55-59

8854

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12497

Males

8615

M55-59

8615

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10625

Males

7694

M55-59

7694

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10706

Males

7601

M55-59

7601

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10330

Males

7350

M55-59

7350

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10554

Males

7339

M55-59

7339

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14107

Males

8992

M55-59

8992

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18103

Males

10910

M55-59

10910

Passing Analysis

Category:
Athletes Passed
2934
Passed By
2833
Net Change
+101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14605
5K → 10K152224-2209#14605#16814
10K → 15K317104+213#16814#16601
15K → 20K281136+145#16601#16456
20K → Half4621+25#16456#16431
Half → 25K31536+279#16431#16152
25K → 30K42262+360#16152#15792
30K → 20M3223+319#15792#15473
20M → 21M22121+200#15473#15273
21M → 35K2044+200#15273#15073
35K → 23M3126+306#15073#14767
23M → 24M2145+209#14767#14558
24M → 40K1945+189#14558#14369
40K → 25.2M2931-2#14369#14371
25.2M → Finish42175-133#14371#14504
TOTALS29342833+101
📊

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