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BOSTON MARATHON 2025

Darren Shin

ON

Bib: 16177 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:19/mi
22:44
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:14/mi
45:11
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:17/mi
1:07:49
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:32/mi
1:31:13
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:34/mi
1:36:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:43/mi
1:55:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:12/mi
2:20:35
↑ 181↓ 1480.2%
138 ft elev
20M
8:38/mi
2:32:19
↑ 64↓ 500.2%
148 ft elev
21M
9:29/mi
2:41:48
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:27/mi
2:48:07
↑ 17↓ 861.7%
156 ft elev
23M
9:03/mi
2:59:27
↑ 23↓ 630.6%
116 ft elev
24M
9:02/mi
3:08:29
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:07/mi
3:17:08
↓ 200.3%
20 ft elev
25.2M
11:10/mi
3:20:59
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:43/mi
3:30:53
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:23
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:54:30
Pace8:44 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0622:447:1922:44
7:19
-
10K
6.21 mi11:18:3345:117:1622:27
7:14
-0:05
15K
9.32 mi11:41:111:07:497:1722:38
7:17
+0:03
20K
12.43 mi12:04:351:31:137:2023:24
7:32
+0:15
Half
13.11 mi12:09:451:36:237:215:10
7:34
+0:02
25K
15.53 mi12:28:281:55:067:2518:43
7:43
+0:09
30K
18.64 mi12:53:572:20:357:3225:29
8:12
+0:29
20M
20.00 mi13:05:412:32:197:3711:44
8:38
+0:26
21M
21.00 mi13:15:102:41:487:429:29
9:29
+0:51
35K
21.75 mi13:21:292:48:077:446:19
8:27
-1:02
23M
23.00 mi13:32:492:59:277:4811:20
9:03
+0:36
24M
24.00 mi13:41:513:08:297:519:02
9:02
-0:01
40K
24.85 mi13:50:303:17:087:568:39
10:07
+1:05
25.2M
25.20 mi13:54:213:20:597:593:51
11:10
+1:03
Finish
26.22 mi14:04:153:30:538:039:54
9:43
-1:27

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

7:14 /mi

Average Pace

8:03 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:06

55% of race

Time at Steady Pace

43:32

21% of race

Time at Slower Pace

52:15

25% of race

Average Pace: 8:03 /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 mi10:56:0622:447:1922:44
7:19
#10530
10K
6.21 mi11:18:3345:117:1622:27
7:14
#10091
15K
9.32 mi11:41:111:07:497:1722:38
7:17
#10003
20K
12.43 mi12:04:351:31:137:2023:24
7:32
#10224
Half
13.11 mi12:09:451:36:237:215:10
7:34
#10316
25K
15.53 mi12:28:281:55:067:2518:43
7:43
#10540
30K
18.64 mi12:53:572:20:357:3225:29
8:12
#10958
20M
20.00 mi13:05:412:32:197:3711:44
8:38
#11218
21M
21.00 mi13:15:102:41:487:429:29
9:29
#11503
35K
21.75 mi13:21:292:48:077:446:19
8:27
#11656
23M
23.00 mi13:32:492:59:277:4811:20
9:03
#11978
24M
24.00 mi13:41:513:08:297:519:02
9:02
#12281
40K
24.85 mi13:50:303:17:087:568:39
10:07
#12742
25.2M
25.20 mi13:54:213:20:597:593:51
11:10
#12969
Finish
26.22 mi14:04:153:30:538:039:54
9:43
#13440
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10530845984599878(Top 35%)8020(Top 50%)8020(Top 487%)
10K6.21 mi3.10 mi10091+4398212+2478212+2479705(Top 34%)7996(Top 50%)7996(Top 485%)
15K9.32 mi3.11 mi10003+888133+798133+799878(Top 35%)8020(Top 50%)8020(Top 487%)
20K12.43 mi3.11 mi10224-2218222-898222-8911031(Top 39%)8516(Top 53%)8516(Top 517%)
Half13.11 mi0.68 mi10316-928264-428264-4212308(Top 43%)9163(Top 57%)9163(Top 556%)
25K15.53 mi2.42 mi10540-2248363-998363-9911701(Top 41%)8708(Top 54%)8708(Top 528%)
30K18.64 mi3.11 mi10958-4188480-1178480-11712834(Top 45%)9067(Top 56%)9067(Top 550%)
20M20.00 mi1.36 mi11218-2608568-888568-8814608(Top 51%)9731(Top 60%)9731(Top 590%)
21M21.00 mi1.00 mi11503-2858659-918659-9115980(Top 56%)10240(Top 64%)10240(Top 621%)
35K21.75 mi0.75 mi11656-1538715-568715-5615096(Top 53%)9762(Top 61%)9762(Top 592%)
23M23.00 mi1.25 mi11978-3228827-1128827-11216528(Top 58%)10296(Top 64%)10296(Top 625%)
24M24.00 mi1.00 mi12281-3038938-1118938-11117512(Top 62%)10694(Top 66%)10694(Top 649%)
40K24.85 mi0.85 mi12742-4619126-1889126-18820805(Top 73%)12181(Top 76%)12181(Top 739%)
25.2M25.20 mi0.35 mi12969-2279213-879213-8721069(Top 74%)12310(Top 76%)12310(Top 747%)
Finish26.22 mi1.02 mi13440-4719399-1869399-18621950(Top 77%)12755(Top 79%)12755(Top 774%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9878

Males

8020

M55-59

8020

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9705

Males

7996

M55-59

7996

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9878

Males

8020

M55-59

8020

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11031

Males

8516

M55-59

8516

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12308

Males

9163

M55-59

9163

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11701

Males

8708

M55-59

8708

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12834

Males

9067

M55-59

9067

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14608

Males

9731

M55-59

9731

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15980

Males

10240

M55-59

10240

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15096

Males

9762

M55-59

9762

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16528

Males

10296

M55-59

10296

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17512

Males

10694

M55-59

10694

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20805

Males

12181

M55-59

12181

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21069

Males

12310

M55-59

12310

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21950

Males

12755

M55-59

12755

Passing Analysis

Category:
Athletes Passed
1323
Passed By
4231
Net Change
-2910
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10530
5K → 10K52889+439#10530#10091
10K → 15K219131+88#10091#10003
15K → 20K117337-221#10003#10224
20K → Half13105-92#10224#10316
Half → 25K100324-224#10316#10540
25K → 30K124541-418#10540#10958
30K → 20M58318-260#10958#11218
20M → 21M38323-285#11218#11503
21M → 35K21174-153#11503#11656
35K → 23M51373-322#11656#11978
23M → 24M23326-303#11978#12281
24M → 40K16477-461#12281#12742
40K → 25.2M6233-227#12742#12969
25.2M → Finish9480-471#12969#13440
TOTALS13234231-2910
📊

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