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BOSTON MARATHON 2025

Austin Mac

Bib: 888•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:49
Rank: #481
Start → 5K
17:49 | 5:44/mi
10K· 6.21 mi
35:39
Rank: #500 (-19)
5K → 10K
17:50 | 5:44/mi
15K· 9.32 mi
53:31
Rank: #490 (+10)
10K → 15K
17:52 | 5:45/mi
20K· 12.43 mi
1:11:30
Rank: #463 (+27)
15K → 20K
17:59 | 5:47/mi
Half· 13.11 mi
1:15:25
Rank: #458 (+5)
20K → Half
3:55 | 5:44/mi
25K· 15.53 mi
1:29:28
Rank: #437 (+21)
Half → 25K
14:03 | 5:48/mi
30K· 18.64 mi
1:47:58
Rank: #427 (+10)
25K → 30K
18:30 | 5:57/mi
20M
1:56:05
Rank: #415 (+12)
30K → 20M
8:07 | 5:58/mi
21M
2:02:26
Rank: #402 (+13)
20M → 21M
6:21 | 6:21/mi
35K· 21.75 mi
2:06:49
Rank: #400 (+2)
21M → 35K
4:23 | 5:52/mi
23M
2:14:29
Rank: #390 (+10)
35K → 23M
7:40 | 6:07/mi
24M
2:20:29
Rank: #387 (+3)
23M → 24M
6:00 | 6:00/mi
40K· 24.85 mi
2:25:49
Rank: #386 (+1)
24M → 40K
5:20 | 6:14/mi
25.2M
2:28:07
Rank: #387 (-1)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:34:18
Rank: #391 (-4)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:25
Pace5:45 /mi
2nd Half
Distance13.11 mi
Time1:18:53
Pace6:01 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0617:495:4417:49
5:44
-
10K
6.21 mi10:35:5635:395:4417:50
5:44
0:00
15K
9.32 mi10:53:4853:315:4517:52
5:45
+0:01
20K
12.43 mi11:11:471:11:305:4517:59
5:47
+0:02
Half
13.11 mi11:15:421:15:255:453:55
5:44
-0:03
25K
15.53 mi11:29:451:29:285:4614:03
5:48
+0:04
30K
18.64 mi11:48:151:47:585:4818:30
5:57
+0:09
20M
20.00 mi11:56:221:56:055:488:07
5:58
+0:01
21M
21.00 mi12:02:432:02:265:506:21
6:21
+0:23
35K
21.75 mi12:07:062:06:495:504:23
5:52
-0:29
23M
23.00 mi12:14:462:14:295:517:40
6:07
+0:15
24M
24.00 mi12:20:462:20:295:516:00
6:00
-0:07
40K
24.85 mi12:26:062:25:495:525:20
6:14
+0:14
25.2M
25.20 mi12:28:242:28:075:532:18
6:40
+0:26
Finish
26.22 mi12:34:352:34:185:536:11
6:04
-0:36

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

5:44 /mi

Average Pace

5:53 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:39

94% of race

Time at Steady Pace

8:39

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:53 /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 mi10:18:0617:495:4417:49
5:44
#481
10K
6.21 mi10:35:5635:395:4417:50
5:44
#500
15K
9.32 mi10:53:4853:315:4517:52
5:45
#490
20K
12.43 mi11:11:471:11:305:4517:59
5:47
#463
Half
13.11 mi11:15:421:15:255:453:55
5:44
#458
25K
15.53 mi11:29:451:29:285:4614:03
5:48
#437
30K
18.64 mi11:48:151:47:585:4818:30
5:57
#427
20M
20.00 mi11:56:221:56:055:488:07
5:58
#415
21M
21.00 mi12:02:432:02:265:506:21
6:21
#402
35K
21.75 mi12:07:062:06:495:504:23
5:52
#400
23M
23.00 mi12:14:462:14:295:517:40
6:07
#390
24M
24.00 mi12:20:462:20:295:516:00
6:00
#387
40K
24.85 mi12:26:062:25:495:525:20
6:14
#386
25.2M
25.20 mi12:28:242:28:075:532:18
6:40
#387
Finish
26.22 mi12:34:352:34:185:536:11
6:04
#391
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi481443443452(Top 2%)420(Top 3%)420(Top 7%)
10K6.21 mi3.10 mi500-19462-19462-19516(Top 2%)478(Top 3%)478(Top 8%)
15K9.32 mi3.11 mi490+10453+9453+9452(Top 2%)420(Top 3%)420(Top 7%)
20K12.43 mi3.11 mi463+27427+26427+26426(Top 1%)396(Top 2%)396(Top 7%)
Half13.11 mi0.68 mi458+5422+5422+5468(Top 2%)438(Top 3%)438(Top 8%)
25K15.53 mi2.42 mi437+21402+20402+20408(Top 1%)378(Top 2%)378(Top 7%)
30K18.64 mi3.11 mi427+10392+10392+10436(Top 2%)404(Top 3%)404(Top 7%)
20M20.00 mi1.36 mi415+12382+10382+10345(Top 1%)321(Top 2%)321(Top 6%)
21M21.00 mi1.00 mi402+13370+12370+12429(Top 2%)404(Top 3%)404(Top 7%)
35K21.75 mi0.75 mi400+2369+1369+1454(Top 2%)422(Top 3%)422(Top 7%)
23M23.00 mi1.25 mi390+10361+8361+8519(Top 2%)489(Top 3%)489(Top 9%)
24M24.00 mi1.00 mi387+3357+4357+4572(Top 2%)535(Top 3%)535(Top 9%)
40K24.85 mi0.85 mi386+1357357796(Top 3%)745(Top 5%)745(Top 13%)
25.2M25.20 mi0.35 mi387-1358-1358-1685(Top 2%)635(Top 4%)635(Top 11%)
Finish26.22 mi1.02 mi391-4360-2360-21084(Top 4%)1014(Top 6%)1014(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

452

Males

420

M18-39

420

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

516

Males

478

M18-39

478

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

452

Males

420

M18-39

420

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

426

Males

396

M18-39

396

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

468

Males

438

M18-39

438

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

408

Males

378

M18-39

378

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

436

Males

404

M18-39

404

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

345

Males

321

M18-39

321

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

429

Males

404

M18-39

404

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

454

Males

422

M18-39

422

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

519

Males

489

M18-39

489

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

572

Males

535

M18-39

535

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

796

Males

745

M18-39

745

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

685

Males

635

M18-39

635

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1084

Males

1014

M18-39

1014

Passing Analysis

Category:
Athletes Passed
230
Passed By
140
Net Change
+90
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#481
5K → 10K2140-19#481#500
10K → 15K2919+10#500#490
15K → 20K369+27#490#463
20K → Half72+5#463#458
Half → 25K232+21#458#437
25K → 30K2616+10#437#427
30K → 20M175+12#427#415
20M → 21M174+13#415#402
21M → 35K64+2#402#400
35K → 23M177+10#400#390
23M → 24M74+3#390#387
24M → 40K98+1#387#386
40K → 25.2M34-1#386#387
25.2M → Finish1216-4#387#391
TOTALS230140+90
📊

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