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BOSTON MARATHON 2025

Zachery Eustance

Bib: 916•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:44
Rank: #447
Start → 5K
17:44 | 5:42/mi
10K· 6.21 mi
35:30
Rank: #461 (-14)
5K → 10K
17:46 | 5:43/mi
15K· 9.32 mi
53:31
Rank: #493 (-32)
10K → 15K
18:01 | 5:48/mi
20K· 12.43 mi
1:12:17
Rank: #553 (-60)
15K → 20K
18:46 | 6:02/mi
Half· 13.11 mi
1:16:26
Rank: #580 (-27)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:32:18
Rank: #802 (-222)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
1:54:05
Rank: #1193 (-391)
25K → 30K
21:47 | 7:01/mi
20M
2:03:59
Rank: #1389 (-196)
30K → 20M
9:54 | 7:17/mi
21M
2:11:35
Rank: #1519 (-130)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:17:03
Rank: #1666 (-147)
21M → 35K
5:28 | 7:18/mi
23M
2:26:36
Rank: #1892 (-226)
35K → 23M
9:33 | 7:38/mi
24M
2:34:18
Rank: #2111 (-219)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
2:40:47
Rank: #2255 (-144)
24M → 40K
6:29 | 7:35/mi
25.2M
2:43:32
Rank: #2295 (-40)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
2:50:50
Rank: #2411 (-116)
25.2M → Finish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:26
Pace5:50 /mi
2nd Half
Distance13.11 mi
Time1:34:24
Pace7:12 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0517:445:4217:44
5:42
-
10K
6.21 mi10:35:5135:305:4317:46
5:43
+0:01
15K
9.32 mi10:53:5253:315:4518:01
5:48
+0:05
20K
12.43 mi11:12:381:12:175:4918:46
6:02
+0:14
Half
13.11 mi11:16:471:16:265:504:09
6:05
+0:03
25K
15.53 mi11:32:391:32:185:5715:52
6:33
+0:28
30K
18.64 mi11:54:261:54:056:0721:47
7:01
+0:28
20M
20.00 mi12:04:202:03:596:129:54
7:17
+0:16
21M
21.00 mi12:11:562:11:356:167:36
7:36
+0:19
35K
21.75 mi12:17:242:17:036:185:28
7:18
-0:18
23M
23.00 mi12:26:572:26:366:229:33
7:38
+0:20
24M
24.00 mi12:34:392:34:186:267:42
7:42
+0:04
40K
24.85 mi12:41:082:40:476:286:29
7:35
-0:07
25.2M
25.20 mi12:43:532:43:326:292:45
7:58
+0:23
Finish
26.22 mi12:51:112:50:506:317:18
7:10
-0:48

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

5:42 /mi

Average Pace

6:31 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:18

54% of race

Time at Steady Pace

44:27

26% of race

Time at Slower Pace

34:05

20% of race

Average Pace: 6:31 /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 mi10:18:0517:445:4217:44
5:42
#447
10K
6.21 mi10:35:5135:305:4317:46
5:43
#461
15K
9.32 mi10:53:5253:315:4518:01
5:48
#493
20K
12.43 mi11:12:381:12:175:4918:46
6:02
#553
Half
13.11 mi11:16:471:16:265:504:09
6:05
#580
25K
15.53 mi11:32:391:32:185:5715:52
6:33
#802
30K
18.64 mi11:54:261:54:056:0721:47
7:01
#1193
20M
20.00 mi12:04:202:03:596:129:54
7:17
#1389
21M
21.00 mi12:11:562:11:356:167:36
7:36
#1519
35K
21.75 mi12:17:242:17:036:185:28
7:18
#1666
23M
23.00 mi12:26:572:26:366:229:33
7:38
#1892
24M
24.00 mi12:34:392:34:186:267:42
7:42
#2111
40K
24.85 mi12:41:082:40:476:286:29
7:35
#2255
25.2M
25.20 mi12:43:532:43:326:292:45
7:58
#2295
Finish
26.22 mi12:51:112:50:506:317:18
7:10
#2411
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi447409409525(Top 2%)488(Top 3%)488(Top 9%)
10K6.21 mi3.10 mi461-14424-15424-15488(Top 2%)451(Top 3%)451(Top 8%)
15K9.32 mi3.11 mi493-32456-32456-32525(Top 2%)488(Top 3%)488(Top 9%)
20K12.43 mi3.11 mi553-60510-54510-54978(Top 3%)922(Top 6%)922(Top 16%)
Half13.11 mi0.68 mi580-27536-26536-261511(Top 5%)1439(Top 9%)1439(Top 26%)
25K15.53 mi2.42 mi802-222751-215751-2153127(Top 11%)2961(Top 18%)2961(Top 52%)
30K18.64 mi3.11 mi1193-3911125-3741125-3744756(Top 17%)4334(Top 27%)4334(Top 77%)
20M20.00 mi1.36 mi1389-1961312-1871312-1875682(Top 20%)4962(Top 31%)4962(Top 88%)
21M21.00 mi1.00 mi1519-1301437-1251437-1255121(Top 18%)4467(Top 28%)4467(Top 79%)
35K21.75 mi0.75 mi1666-1471579-1421579-1427248(Top 26%)5832(Top 36%)5832(Top 103%)
23M23.00 mi1.25 mi1892-2261796-2171796-2177409(Top 26%)5812(Top 36%)5812(Top 103%)
24M24.00 mi1.00 mi2111-2192007-2112007-2119084(Top 32%)6686(Top 42%)6686(Top 119%)
40K24.85 mi0.85 mi2255-1442143-1362143-1367274(Top 26%)5580(Top 35%)5580(Top 99%)
25.2M25.20 mi0.35 mi2295-402181-382181-385772(Top 20%)4597(Top 29%)4597(Top 81%)
Finish26.22 mi1.02 mi2411-1162286-1052286-1056780(Top 24%)5190(Top 32%)5190(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

525

Males

488

M18-39

488

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

488

Males

451

M18-39

451

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

525

Males

488

M18-39

488

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

978

Males

922

M18-39

922

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1511

Males

1439

M18-39

1439

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3127

Males

2961

M18-39

2961

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4756

Males

4334

M18-39

4334

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5682

Males

4962

M18-39

4962

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5121

Males

4467

M18-39

4467

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7248

Males

5832

M18-39

5832

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7409

Males

5812

M18-39

5812

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9084

Males

6686

M18-39

6686

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7274

Males

5580

M18-39

5580

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5772

Males

4597

M18-39

4597

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6780

Males

5190

M18-39

5190

Passing Analysis

Category:
Athletes Passed
103
Passed By
2067
Net Change
-1964
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#447
5K → 10K1832-14#447#461
10K → 15K1446-32#461#493
15K → 20K464-60#493#553
20K → Half128-27#553#580
Half → 25K5227-222#580#802
25K → 30K2393-391#802#1193
30K → 20M6202-196#1193#1389
20M → 21M4134-130#1389#1519
21M → 35K5152-147#1519#1666
35K → 23M13239-226#1666#1892
23M → 24M6225-219#1892#2111
24M → 40K12156-144#2111#2255
40K → 25.2M747-40#2255#2295
25.2M → Finish6122-116#2295#2411
TOTALS1032067-1964
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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