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BOSTON MARATHON 2025

Derrek Young

Bib: 11521•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
7:23/mi
22:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:09
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:37:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:56:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:22:07
↑ 181↓ 1480.2%
20M
8:24/mi
2:33:32
↑ 64↓ 500.2%
21M
9:01/mi
2:42:33
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
2:49:01
↑ 17↓ 861.7%
23M
9:25/mi
3:00:48
↑ 23↓ 630.6%
24M
9:40/mi
3:10:28
↓ 821.3%
40K· 24.85 mi
9:46/mi
3:18:49
↓ 200.3%
25.2M
12:14/mi
3:23:02
↑ 13↓ 160.2%
Finish· 26.22 mi
9:20/mi
3:32:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:48
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:54:45
Pace8:45 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0822:567:2322:56
7:23
-
10K
6.21 mi11:13:1246:007:2423:04
7:25
+0:02
15K
9.32 mi11:36:211:09:097:2523:09
7:27
+0:02
20K
12.43 mi11:59:521:32:407:2723:31
7:34
+0:07
Half
13.11 mi12:05:001:37:487:285:08
7:31
-0:03
25K
15.53 mi12:23:511:56:397:3118:51
7:46
+0:15
30K
18.64 mi12:49:192:22:077:3725:28
8:12
+0:26
20M
20.00 mi13:00:442:33:327:4111:25
8:24
+0:12
21M
21.00 mi13:09:452:42:337:449:01
9:01
+0:37
35K
21.75 mi13:16:132:49:017:466:28
8:39
-0:22
23M
23.00 mi13:28:003:00:487:5211:47
9:25
+0:46
24M
24.00 mi13:37:403:10:287:569:40
9:40
+0:15
40K
24.85 mi13:46:013:18:498:008:21
9:46
+0:06
25.2M
25.20 mi13:50:143:23:028:034:13
12:14
+2:28
Finish
26.22 mi13:59:453:32:338:079:31
9:20
-2:54

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

7:23 /mi

Average Pace

8:07 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:48

46% of race

Time at Steady Pace

1:11:13

34% of race

Time at Slower Pace

43:32

20% of race

Average Pace: 8:06 /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 mi10:50:0822:567:2322:56
7:23
#11140
10K
6.21 mi11:13:1246:007:2423:04
7:25
#11259
15K
9.32 mi11:36:211:09:097:2523:09
7:27
#11236
20K
12.43 mi11:59:521:32:407:2723:31
7:34
#11284
Half
13.11 mi12:05:001:37:487:285:08
7:31
#11315
25K
15.53 mi12:23:511:56:397:3118:51
7:46
#11415
30K
18.64 mi12:49:192:22:077:3725:28
8:12
#11630
20M
20.00 mi13:00:442:33:327:4111:25
8:24
#11700
21M
21.00 mi13:09:452:42:337:449:01
9:01
#11820
35K
21.75 mi13:16:132:49:017:466:28
8:39
#11996
23M
23.00 mi13:28:003:00:487:5211:47
9:25
#12448
24M
24.00 mi13:37:403:10:287:569:40
9:40
#12938
40K
24.85 mi13:46:013:18:498:008:21
9:46
#13262
25.2M
25.20 mi13:50:143:23:028:034:13
12:14
#13553
Finish
26.22 mi13:59:453:32:338:079:31
9:20
#13903
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi111408768876811336(Top 40%)8759(Top 54%)8759(Top 367%)
10K6.21 mi3.10 mi11259-1198801-338801-3311401(Top 40%)8858(Top 55%)8858(Top 371%)
15K9.32 mi3.11 mi11236+238767+348767+3411336(Top 40%)8759(Top 54%)8759(Top 367%)
20K12.43 mi3.11 mi11284-488756+118756+1111336(Top 40%)8662(Top 54%)8662(Top 363%)
Half13.11 mi0.68 mi11315-318776-208776-2011893(Top 42%)9001(Top 56%)9001(Top 377%)
25K15.53 mi2.42 mi11415-1008784-88784-812126(Top 43%)8921(Top 55%)8921(Top 374%)
30K18.64 mi3.11 mi11630-2158806-228806-2212798(Top 45%)9054(Top 56%)9054(Top 379%)
20M20.00 mi1.36 mi11700-708796+108796+1013150(Top 46%)9059(Top 56%)9059(Top 380%)
21M21.00 mi1.00 mi11820-1208811-158811-1513599(Top 48%)9155(Top 57%)9155(Top 384%)
35K21.75 mi0.75 mi11996-1768875-648875-6416281(Top 57%)10290(Top 64%)10290(Top 431%)
23M23.00 mi1.25 mi12448-4529041-1669041-16618271(Top 64%)11104(Top 69%)11104(Top 465%)
24M24.00 mi1.00 mi12938-4909234-1939234-19320241(Top 71%)11972(Top 74%)11972(Top 502%)
40K24.85 mi0.85 mi13262-3249349-1159349-11519674(Top 69%)11639(Top 72%)11639(Top 488%)
25.2M25.20 mi0.35 mi13553-2919470-1219470-12123625(Top 83%)13565(Top 84%)13565(Top 569%)
Finish26.22 mi1.02 mi13903-3509593-1239593-12320516(Top 72%)12057(Top 75%)12057(Top 505%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11336

Males

8759

M45-49

8759

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11401

Males

8858

M45-49

8858

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11336

Males

8759

M45-49

8759

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11336

Males

8662

M45-49

8662

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11893

Males

9001

M45-49

9001

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12126

Males

8921

M45-49

8921

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12798

Males

9054

M45-49

9054

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

13150

Males

9059

M45-49

9059

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13599

Males

9155

M45-49

9155

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16281

Males

10290

M45-49

10290

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18271

Males

11104

M45-49

11104

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

20241

Males

11972

M45-49

11972

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19674

Males

11639

M45-49

11639

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23625

Males

13565

M45-49

13565

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20516

Males

12057

M45-49

12057

Passing Analysis

Category:
Athletes Passed
1164
Passed By
3927
Net Change
-2763
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11140
5K → 10K192311-119#11140#11259
10K → 15K210187+23#11259#11236
15K → 20K158206-48#11236#11284
20K → Half2455-31#11284#11315
Half → 25K131231-100#11315#11415
25K → 30K167382-215#11415#11630
30K → 20M108178-70#11630#11700
20M → 21M62182-120#11700#11820
21M → 35K24200-176#11820#11996
35K → 23M33485-452#11996#12448
23M → 24M16506-490#12448#12938
24M → 40K20344-324#12938#13262
40K → 25.2M5296-291#13262#13553
25.2M → Finish14364-350#13553#13903
TOTALS11643927-2763
📊

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