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BOSTON MARATHON 2025

Shane Sager

Bib: 27425•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
27:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
53:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:28/mi
1:20:11
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
1:51:12
↑ 106↓ 860.1%
Half· 13.11 mi
9:40/mi
1:57:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:29/mi
2:23:13
↑ 66↓ 880.2%
30K· 18.64 mi
11:38/mi
2:59:21
↑ 181↓ 1480.2%
20M
11:52/mi
3:15:29
↑ 64↓ 500.2%
21M
15:52/mi
3:31:21
↑ 106↓ 241.6%
35K· 21.75 mi
12:49/mi
3:40:56
↑ 17↓ 861.7%
23M
13:11/mi
3:57:27
↑ 23↓ 630.6%
24M
13:01/mi
4:10:28
↓ 821.3%
40K· 24.85 mi
12:17/mi
4:20:58
↓ 200.3%
25.2M
11:45/mi
4:25:01
↑ 13↓ 160.2%
Finish· 26.22 mi
10:02/mi
4:35:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:48
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:37:26
Pace12:01 /mi
📊Positive Split: 33.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4227:448:5627:44
8:56
-
10K
6.21 mi12:09:5153:538:4026:09
8:25
-0:31
15K
9.32 mi12:36:091:20:118:3626:18
8:28
+0:03
20K
12.43 mi13:07:101:51:128:5731:01
9:59
+1:31
Half
13.11 mi13:13:461:57:488:596:36
9:40
-0:19
25K
15.53 mi13:39:112:23:139:1325:25
10:29
+0:49
30K
18.64 mi14:15:192:59:219:3736:08
11:38
+1:09
20M
20.00 mi14:31:273:15:299:4616:08
11:52
+0:14
21M
21.00 mi14:47:193:31:2110:0415:52
15:52
+4:00
35K
21.75 mi14:56:543:40:5610:109:35
12:49
-3:03
23M
23.00 mi15:13:253:57:2710:1916:31
13:11
+0:22
24M
24.00 mi15:26:264:10:2810:2613:01
13:01
-0:10
40K
24.85 mi15:36:564:20:5810:3010:30
12:17
-0:44
25.2M
25.20 mi15:40:594:25:0110:314:03
11:45
-0:32
Finish
26.22 mi15:51:124:35:1410:3010:13
10:02
-1:43

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

8:25 /mi

Average Pace

10:30 /mi

Slowest Pace

15:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:26

56% of race

Time at Steady Pace

1:06:49

24% of race

Time at Slower Pace

54:59

20% of race

Average Pace: 10:30 /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 mi11:43:4227:448:5627:44
8:56
#22113
10K
6.21 mi12:09:5153:538:4026:09
8:25
#20756
15K
9.32 mi12:36:091:20:118:3626:18
8:28
#20223
20K
12.43 mi13:07:101:51:128:5731:01
9:59
#21694
Half
13.11 mi13:13:461:57:488:596:36
9:40
#21854
25K
15.53 mi13:39:112:23:139:1325:25
10:29
#22502
30K
18.64 mi14:15:192:59:219:3736:08
11:38
#23155
20M
20.00 mi14:31:273:15:299:4616:08
11:52
#23350
21M
21.00 mi14:47:193:31:2110:0415:52
15:52
#23895
35K
21.75 mi14:56:543:40:5610:109:35
12:49
#24080
23M
23.00 mi15:13:253:57:2710:1916:31
13:11
#24301
24M
24.00 mi15:26:264:10:2810:2613:01
13:01
#24503
40K
24.85 mi15:36:564:20:5810:3010:30
12:17
#24537
25.2M
25.20 mi15:40:594:25:0110:314:03
11:45
#24513
Finish
26.22 mi15:51:124:35:1410:3010:13
10:02
#24478
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22113133631336319129(Top 67%)12108(Top 75%)12108(Top 215%)
10K6.21 mi3.10 mi20756+135712784+57912784+57919300(Top 68%)12195(Top 76%)12195(Top 216%)
15K9.32 mi3.11 mi20223+53312566+21812566+21819129(Top 67%)12108(Top 75%)12108(Top 215%)
20K12.43 mi3.11 mi21694-147113202-63613202-63624187(Top 85%)14302(Top 89%)14302(Top 253%)
Half13.11 mi0.68 mi21854-16013272-7013272-7024026(Top 85%)14247(Top 88%)14247(Top 253%)
25K15.53 mi2.42 mi22502-64813579-30713579-30724357(Top 86%)14357(Top 89%)14357(Top 254%)
30K18.64 mi3.11 mi23155-65313818-23913818-23925041(Top 88%)14547(Top 90%)14547(Top 258%)
20M20.00 mi1.36 mi23350-19513897-7913897-7925079(Top 88%)14497(Top 90%)14497(Top 257%)
21M21.00 mi1.00 mi23895-54514126-22914126-22927752(Top 98%)15753(Top 98%)15753(Top 279%)
35K21.75 mi0.75 mi24080-18514203-7714203-7726789(Top 94%)15235(Top 95%)15235(Top 270%)
23M23.00 mi1.25 mi24301-22114291-8814291-8826606(Top 94%)15133(Top 94%)15133(Top 268%)
24M24.00 mi1.00 mi24503-20214368-7714368-7726876(Top 95%)15235(Top 95%)15235(Top 270%)
40K24.85 mi0.85 mi24537-3414370-214370-225355(Top 89%)14444(Top 90%)14444(Top 256%)
25.2M25.20 mi0.35 mi24513+2414359+1114359+1122663(Top 80%)13118(Top 81%)13118(Top 233%)
Finish26.22 mi1.02 mi24478+3514324+3514324+3523011(Top 81%)13290(Top 83%)13290(Top 236%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

19129

Males

12108

M18-39

12108

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19300

Males

12195

M18-39

12195

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

19129

Males

12108

M18-39

12108

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24187

Males

14302

M18-39

14302

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24026

Males

14247

M18-39

14247

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24357

Males

14357

M18-39

14357

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25041

Males

14547

M18-39

14547

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

25079

Males

14497

M18-39

14497

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27752

Males

15753

M18-39

15753

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

26789

Males

15235

M18-39

15235

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

26606

Males

15133

M18-39

15133

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

26876

Males

15235

M18-39

15235

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25355

Males

14444

M18-39

14444

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22663

Males

13118

M18-39

13118

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23011

Males

13290

M18-39

13290

Passing Analysis

Category:
Athletes Passed
2198
Passed By
4563
Net Change
-2365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22113
5K → 10K136912+1357#22113#20756
10K → 15K56027+533#20756#20223
15K → 20K201491-1471#20223#21694
20K → Half8168-160#21694#21854
Half → 25K26674-648#21854#22502
25K → 30K38691-653#22502#23155
30K → 20M35230-195#23155#23350
20M → 21M4549-545#23350#23895
21M → 35K6191-185#23895#24080
35K → 23M19240-221#24080#24301
23M → 24M13215-202#24301#24503
24M → 40K2458-34#24503#24537
40K → 25.2M273+24#24537#24513
25.2M → Finish4914+35#24513#24478
TOTALS21984563-2365
📊

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