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BOSTON MARATHON 2025

Mark Young

Bib: 12639•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 42%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 45%
Division (M50-54)
#0 / 1996
Top 49%
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
7:43/mi
23:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:10:48
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:34:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:40:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
1:59:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:24:32
↑ 181↓ 1480.2%
20M
8:10/mi
2:35:38
↑ 64↓ 500.2%
21M
8:25/mi
2:44:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:50:03
↑ 17↓ 861.7%
23M
8:14/mi
3:00:21
↑ 23↓ 630.6%
24M
7:58/mi
3:08:19
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:15:18
↓ 200.3%
25.2M
8:45/mi
3:18:19
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:26:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:05
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:46:11
Pace8:06 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4223:577:4323:57
7:43
-
10K
6.21 mi11:39:1347:287:3823:31
7:34
-0:09
15K
9.32 mi12:02:331:10:487:3623:20
7:31
-0:03
20K
12.43 mi12:26:341:34:497:3824:01
7:44
+0:13
Half
13.11 mi12:31:501:40:057:385:16
7:43
-0:01
25K
15.53 mi12:51:061:59:217:4119:16
7:57
+0:14
30K
18.64 mi13:16:172:24:327:4525:11
8:06
+0:09
20M
20.00 mi13:27:232:35:387:4711:06
8:10
+0:04
21M
21.00 mi13:35:482:44:037:498:25
8:25
+0:15
35K
21.75 mi13:41:482:50:037:496:00
8:01
-0:24
23M
23.00 mi13:52:063:00:217:5010:18
8:14
+0:13
24M
24.00 mi14:00:043:08:197:517:58
7:58
-0:16
40K
24.85 mi14:07:033:15:187:516:59
8:10
+0:12
25.2M
25.20 mi14:10:043:18:197:523:01
8:45
+0:35
Finish
26.22 mi14:18:013:26:167:527:57
7:48
-0:57

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

7:31 /mi

Average Pace

7:52 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:50

94% of race

Time at Steady Pace

11:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi11:15:4223:577:4323:57
7:43
#14033
10K
6.21 mi11:39:1347:287:3823:31
7:34
#13376
15K
9.32 mi12:02:331:10:487:3623:20
7:31
#12820
20K
12.43 mi12:26:341:34:497:3824:01
7:44
#12742
Half
13.11 mi12:31:501:40:057:385:16
7:43
#12784
25K
15.53 mi12:51:061:59:217:4119:16
7:57
#12878
30K
18.64 mi13:16:172:24:327:4525:11
8:06
#12680
20M
20.00 mi13:27:232:35:387:4711:06
8:10
#12571
21M
21.00 mi13:35:482:44:037:498:25
8:25
#12396
35K
21.75 mi13:41:482:50:037:496:00
8:01
#12371
23M
23.00 mi13:52:063:00:217:5010:18
8:14
#12293
24M
24.00 mi14:00:043:08:197:517:58
7:58
#12224
40K
24.85 mi14:07:033:15:187:516:59
8:10
#12158
25.2M
25.20 mi14:10:043:18:197:523:01
8:45
#12115
Finish
26.22 mi14:18:013:26:167:527:57
7:48
#12066
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi14033100571005711836(Top 42%)8988(Top 56%)8988(Top 450%)
10K6.21 mi3.10 mi13376+6579761+2969761+29612732(Top 45%)9479(Top 59%)9479(Top 475%)
15K9.32 mi3.11 mi12820+5569501+2609501+26011836(Top 42%)8988(Top 56%)8988(Top 450%)
20K12.43 mi3.11 mi12742+789408+939408+9312653(Top 45%)9262(Top 58%)9262(Top 464%)
Half13.11 mi0.68 mi12784-429420-129420-1213476(Top 47%)9664(Top 60%)9664(Top 484%)
25K15.53 mi2.42 mi12878-949436-169436-1613460(Top 47%)9500(Top 59%)9500(Top 476%)
30K18.64 mi3.11 mi12680+1989281+1559281+15512134(Top 43%)8750(Top 54%)8750(Top 438%)
20M20.00 mi1.36 mi12571+1099192+899192+8911584(Top 41%)8333(Top 52%)8333(Top 417%)
21M21.00 mi1.00 mi12396+1759078+1149078+1149946(Top 35%)7336(Top 46%)7336(Top 368%)
35K21.75 mi0.75 mi12371+259040+389040+3812365(Top 44%)8500(Top 53%)8500(Top 426%)
23M23.00 mi1.25 mi12293+788969+718969+7111513(Top 41%)7997(Top 50%)7997(Top 401%)
24M24.00 mi1.00 mi12224+698907+628907+6210989(Top 39%)7664(Top 48%)7664(Top 384%)
40K24.85 mi0.85 mi12158+668841+668841+6611347(Top 40%)7738(Top 48%)7738(Top 388%)
25.2M25.20 mi0.35 mi12115+438803+388803+3810278(Top 36%)7102(Top 44%)7102(Top 356%)
Finish26.22 mi1.02 mi12066+498756+478756+4711435(Top 40%)7730(Top 48%)7730(Top 387%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11836

Males

8988

M50-54

8988

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12732

Males

9479

M50-54

9479

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11836

Males

8988

M50-54

8988

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12653

Males

9262

M50-54

9262

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13476

Males

9664

M50-54

9664

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13460

Males

9500

M50-54

9500

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12134

Males

8750

M50-54

8750

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11584

Males

8333

M50-54

8333

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9946

Males

7336

M50-54

7336

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12365

Males

8500

M50-54

8500

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11513

Males

7997

M50-54

7997

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10989

Males

7664

M50-54

7664

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11347

Males

7738

M50-54

7738

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10278

Males

7102

M50-54

7102

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11435

Males

7730

M50-54

7730

Passing Analysis

Category:
Athletes Passed
2968
Passed By
1001
Net Change
+1967
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14033
5K → 10K73477+657#14033#13376
10K → 15K59236+556#13376#12820
15K → 20K232154+78#12820#12742
20K → Half2062-42#12742#12784
Half → 25K127221-94#12784#12878
25K → 30K329131+198#12878#12680
30K → 20M15546+109#12680#12571
20M → 21M20227+175#12571#12396
21M → 35K7247+25#12396#12371
35K → 23M14163+78#12371#12293
23M → 24M10839+69#12293#12224
24M → 40K10539+66#12224#12158
40K → 25.2M5916+43#12158#12115
25.2M → Finish9243+49#12115#12066
TOTALS29681001+1967
📊

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