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BOSTON MARATHON 2025

Zachary Myers

Bib: 12900•M

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
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
7:09/mi
22:12
↑ 97↓ 3451.5%
10K· 6.21 mi
6:54/mi
43:37
↑ 79↓ 1380.4%
15K· 9.32 mi
6:55/mi
1:05:07
↑ 67↓ 78
20K· 12.43 mi
7:10/mi
1:27:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:32:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:14/mi
1:49:44
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:13:14
↑ 181↓ 1480.2%
20M
7:55/mi
2:23:59
↑ 64↓ 500.2%
21M
9:06/mi
2:33:05
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
2:40:09
↑ 17↓ 861.7%
23M
7:58/mi
2:50:08
↑ 23↓ 630.6%
24M
7:57/mi
2:58:05
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:05:01
↓ 200.3%
25.2M
8:22/mi
3:07:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:16:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:11
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:44:15
Pace7:57 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3022:127:0922:12
7:09
-
10K
6.21 mi11:12:5543:377:0121:25
6:54
-0:15
15K
9.32 mi11:34:251:05:076:5921:30
6:55
+0:01
20K
12.43 mi11:56:421:27:247:0222:17
7:10
+0:15
Half
13.11 mi12:01:291:32:117:024:47
7:01
-0:09
25K
15.53 mi12:19:021:49:447:0417:33
7:14
+0:13
30K
18.64 mi12:42:322:13:147:0923:30
7:34
+0:20
20M
20.00 mi12:53:172:23:597:1210:45
7:55
+0:21
21M
21.00 mi13:02:232:33:057:179:06
9:06
+1:11
35K
21.75 mi13:09:272:40:097:227:04
9:27
+0:21
23M
23.00 mi13:19:262:50:087:249:59
7:58
-1:29
24M
24.00 mi13:27:232:58:057:257:57
7:57
-0:01
40K
24.85 mi13:34:193:05:017:276:56
8:07
+0:10
25.2M
25.20 mi13:37:123:07:547:272:53
8:22
+0:15
Finish
26.22 mi13:45:443:16:267:308:32
8:22
0:00

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

6:54 /mi

Average Pace

7:30 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:44

56% of race

Time at Steady Pace

59:07

30% of race

Time at Slower Pace

27:35

14% of race

Average Pace: 7:30 /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 mi10:51:3022:127:0922:12
7:09
#9016
10K
6.21 mi11:12:5543:377:0121:25
6:54
#8001
15K
9.32 mi11:34:251:05:076:5921:30
6:55
#7662
20K
12.43 mi11:56:421:27:247:0222:17
7:10
#7709
Half
13.11 mi12:01:291:32:117:024:47
7:01
#7691
25K
15.53 mi12:19:021:49:447:0417:33
7:14
#7684
30K
18.64 mi12:42:322:13:147:0923:30
7:34
#7657
20M
20.00 mi12:53:172:23:597:1210:45
7:55
#7736
21M
21.00 mi13:02:232:33:057:179:06
9:06
#8044
35K
21.75 mi13:09:272:40:097:227:04
9:27
#8596
23M
23.00 mi13:19:262:50:087:249:59
7:58
#8612
24M
24.00 mi13:27:232:58:057:257:57
7:57
#8697
40K
24.85 mi13:34:193:05:017:276:56
8:07
#8750
25.2M
25.20 mi13:37:123:07:547:272:53
8:22
#8722
Finish
26.22 mi13:45:443:16:267:308:32
8:22
#9003
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9016761876187092(Top 25%)6320(Top 39%)6320(Top 112%)
10K6.21 mi3.10 mi8001+10156987+6316987+6317190(Top 25%)6427(Top 40%)6427(Top 114%)
15K9.32 mi3.11 mi7662+3396749+2386749+2387092(Top 25%)6320(Top 39%)6320(Top 112%)
20K12.43 mi3.11 mi7709-476771-226771-227983(Top 28%)6866(Top 43%)6866(Top 122%)
Half13.11 mi0.68 mi7691+186757+146757+147675(Top 27%)6696(Top 42%)6696(Top 119%)
25K15.53 mi2.42 mi7684+76731+266731+267893(Top 28%)6701(Top 42%)6701(Top 119%)
30K18.64 mi3.11 mi7657+276660+716660+718174(Top 29%)6691(Top 42%)6691(Top 119%)
20M20.00 mi1.36 mi7736-796679-196679-199791(Top 34%)7421(Top 46%)7421(Top 132%)
21M21.00 mi1.00 mi8044-3086827-1486827-14814056(Top 49%)9345(Top 58%)9345(Top 166%)
35K21.75 mi0.75 mi8596-5527150-3237150-32320100(Top 71%)12003(Top 75%)12003(Top 213%)
23M23.00 mi1.25 mi8612-167114+367114+369820(Top 35%)7138(Top 44%)7138(Top 127%)
24M24.00 mi1.00 mi8697-857128-147128-1410854(Top 38%)7590(Top 47%)7590(Top 135%)
40K24.85 mi0.85 mi8750-537115+137115+1310890(Top 38%)7500(Top 47%)7500(Top 133%)
25.2M25.20 mi0.35 mi8722+287086+297086+298092(Top 28%)5919(Top 37%)5919(Top 105%)
Finish26.22 mi1.02 mi9003-2817210-1247210-12415346(Top 54%)9627(Top 60%)9627(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7092

Males

6320

M18-39

6320

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7190

Males

6427

M18-39

6427

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7092

Males

6320

M18-39

6320

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7983

Males

6866

M18-39

6866

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7675

Males

6696

M18-39

6696

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7893

Males

6701

M18-39

6701

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8174

Males

6691

M18-39

6691

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9791

Males

7421

M18-39

7421

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

14056

Males

9345

M18-39

9345

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20100

Males

12003

M18-39

12003

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9820

Males

7138

M18-39

7138

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10854

Males

7590

M18-39

7590

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10890

Males

7500

M18-39

7500

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

8092

Males

5919

M18-39

5919

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15346

Males

9627

M18-39

9627

Passing Analysis

Category:
Athletes Passed
2295
Passed By
2282
Net Change
+13
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9016
5K → 10K102914+1015#9016#8001
10K → 15K35718+339#8001#7662
15K → 20K127174-47#7662#7709
20K → Half3618+18#7709#7691
Half → 25K114107+7#7691#7684
25K → 30K200173+27#7684#7657
30K → 20M70149-79#7657#7736
20M → 21M41349-308#7736#8044
21M → 35K6558-552#8044#8596
35K → 23M117133-16#8596#8612
23M → 24M54139-85#8612#8697
24M → 40K72125-53#8697#8750
40K → 25.2M4921+28#8750#8722
25.2M → Finish23304-281#8722#9003
TOTALS22952282+13
📊

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