Boston Marathon logo
BOSTON MARATHON 2025

Aj Andreucci

Bib: 26100•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:20
Rank: #21501
Start → 5K
8:48/mi
27:20 split
10K· 6.21 mi
54:05
Rank: #20935 (+566)
5K → 10K
8:37/mi
26:45 split
15K· 9.32 mi
1:20:24
Rank: #20342 (+593)
10K → 15K
8:28/mi
26:19 split
20K· 12.43 mi
1:47:46
Rank: #20254 (+88)
15K → 20K
8:49/mi
27:22 split
Half· 13.11 mi
1:53:44
Rank: #20273 (-19)
20K → Half
8:45/mi
5:58 split
25K· 15.53 mi
2:16:44
Rank: #20639 (-366)
Half → 25K
9:29/mi
23:00 split
30K· 18.64 mi
2:49:34
Rank: #21318 (-679)
25K → 30K
10:34/mi
32:50 split
20M
3:04:36
Rank: #21593 (-275)
30K → 20M
11:04/mi
15:02 split
21M
3:16:26
Rank: #21736 (-143)
20M → 21M
11:50/mi
11:50 split
35K· 21.75 mi
3:24:14
Rank: #21803 (-67)
21M → 35K
10:26/mi
7:48 split
23M
3:37:42
Rank: #21840 (-37)
35K → 23M
10:45/mi
13:28 split
24M
3:48:19
Rank: #21898 (-58)
23M → 24M
10:37/mi
10:37 split
40K· 24.85 mi
3:56:56
Rank: #21845 (+53)
24M → 40K
10:05/mi
8:37 split
25.2M
4:01:10
Rank: #21879 (-34)
40K → 25.2M
12:17/mi
4:14 split
Finish· 26.22 mi
4:10:57
Rank: #21850 (+29)
25.2M → Finish
9:36/mi
9:47 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:44
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:17:13
Pace10:28 /mi
📊Positive Split: 20.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0227:208:4827:20
8:48
-
10K
6.21 mi12:09:4754:058:4226:45
8:37
-0:11
15K
9.32 mi12:36:061:20:248:3826:19
8:28
-0:09
20K
12.43 mi13:03:281:47:468:4027:22
8:49
+0:21
Half
13.11 mi13:09:261:53:448:415:58
8:45
-0:04
25K
15.53 mi13:32:262:16:448:4823:00
9:29
+0:44
30K
18.64 mi14:05:162:49:349:0632:50
10:34
+1:05
20M
20.00 mi14:20:183:04:369:1415:02
11:04
+0:30
21M
21.00 mi14:32:083:16:269:2111:50
11:50
+0:46
35K
21.75 mi14:39:563:24:149:237:48
10:26
-1:24
23M
23.00 mi14:53:243:37:429:2813:28
10:45
+0:19
24M
24.00 mi15:04:013:48:199:3110:37
10:37
-0:08
40K
24.85 mi15:12:383:56:569:328:37
10:05
-0:32
25.2M
25.20 mi15:16:524:01:109:344:14
12:17
+2:12
Finish
26.22 mi15:26:394:10:579:359:47
9:36
-2:41

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

8:28 /mi

Average Pace

9:35 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:44

54% of race

Time at Steady Pace

1:09:39

28% of race

Time at Slower Pace

44:34

18% of race

Average Pace: 9:34 /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 mi11:43:0227:208:4827:20
8:48
#21501
10K
6.21 mi12:09:4754:058:4226:45
8:37
#20935
15K
9.32 mi12:36:061:20:248:3826:19
8:28
#20342
20K
12.43 mi13:03:281:47:468:4027:22
8:49
#20254
Half
13.11 mi13:09:261:53:448:415:58
8:45
#20273
25K
15.53 mi13:32:262:16:448:4823:00
9:29
#20639
30K
18.64 mi14:05:162:49:349:0632:50
10:34
#21318
20M
20.00 mi14:20:183:04:369:1415:02
11:04
#21593
21M
21.00 mi14:32:083:16:269:2111:50
11:50
#21736
35K
21.75 mi14:39:563:24:149:237:48
10:26
#21803
23M
23.00 mi14:53:243:37:429:2813:28
10:45
#21840
24M
24.00 mi15:04:013:48:199:3110:37
10:37
#21898
40K
24.85 mi15:12:383:56:569:328:37
10:05
#21845
25.2M
25.20 mi15:16:524:01:109:344:14
12:17
#21879
Finish
26.22 mi15:26:394:10:579:359:47
9:36
#21850
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21501130781307819153(Top 67%)12121(Top 75%)12121(Top 215%)
10K6.21 mi3.10 mi20935+56612857+22112857+22120403(Top 72%)12658(Top 79%)12658(Top 224%)
15K9.32 mi3.11 mi20342+59312620+23712620+23719153(Top 67%)12121(Top 75%)12121(Top 215%)
20K12.43 mi3.11 mi20254+8812578+4212578+4219978(Top 70%)12459(Top 77%)12459(Top 221%)
Half13.11 mi0.68 mi20273-1912581-312581-320617(Top 73%)12743(Top 79%)12743(Top 226%)
25K15.53 mi2.42 mi20639-36612740-15912740-15921806(Top 77%)13202(Top 82%)13202(Top 234%)
30K18.64 mi3.11 mi21318-67913000-26013000-26023089(Top 81%)13658(Top 85%)13658(Top 242%)
20M20.00 mi1.36 mi21593-27513120-12013120-12023707(Top 83%)13850(Top 86%)13850(Top 245%)
21M21.00 mi1.00 mi21736-14313161-4113161-4123271(Top 82%)13571(Top 84%)13571(Top 241%)
35K21.75 mi0.75 mi21803-6713175-1413175-1422997(Top 81%)13380(Top 83%)13380(Top 237%)
23M23.00 mi1.25 mi21840-3713154+2113154+2122645(Top 80%)13168(Top 82%)13168(Top 233%)
24M24.00 mi1.00 mi21898-5813155-113155-123110(Top 81%)13362(Top 83%)13362(Top 237%)
40K24.85 mi0.85 mi21845+5313113+4213113+4220704(Top 73%)12144(Top 75%)12144(Top 215%)
25.2M25.20 mi0.35 mi21879-3413122-913122-923735(Top 84%)13628(Top 85%)13628(Top 242%)
Finish26.22 mi1.02 mi21850+2913091+3113091+3121544(Top 76%)12556(Top 78%)12556(Top 223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19153

Males

12121

M18-39

12121

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20403

Males

12658

M18-39

12658

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19153

Males

12121

M18-39

12121

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19978

Males

12459

M18-39

12459

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20617

Males

12743

M18-39

12743

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21806

Males

13202

M18-39

13202

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

23089

Males

13658

M18-39

13658

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23707

Males

13850

M18-39

13850

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23271

Males

13571

M18-39

13571

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22997

Males

13380

M18-39

13380

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

22645

Males

13168

M18-39

13168

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

23110

Males

13362

M18-39

13362

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20704

Males

12144

M18-39

12144

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23735

Males

13628

M18-39

13628

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21544

Males

12556

M18-39

12556

Passing Analysis

Category:
Athletes Passed
2021
Passed By
2370
Net Change
-349
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21501
5K → 10K66296+566#21501#20935
10K → 15K61825+593#20935#20342
15K → 20K218130+88#20342#20254
20K → Half2342-19#20254#20273
Half → 25K68434-366#20273#20639
25K → 30K70749-679#20639#21318
30K → 20M34309-275#21318#21593
20M → 21M43186-143#21593#21736
21M → 35K2693-67#21736#21803
35K → 23M72109-37#21803#21840
23M → 24M3492-58#21840#21898
24M → 40K7421+53#21898#21845
40K → 25.2M1347-34#21845#21879
25.2M → Finish6637+29#21879#21850
TOTALS20212370-349
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing