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BOSTON MARATHON 2025

Anthony Grossi

Bib: 8303•M

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
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
12:08/mi
37:42
↑ 97↓ 3451.5%
10K· 6.21 mi
12:59/mi
1:18:03
↑ 79↓ 1380.4%
15K· 9.32 mi
14:11/mi
2:02:06
↑ 67↓ 78
20K· 12.43 mi
14:12/mi
2:46:13
↑ 106↓ 860.1%
Half· 13.11 mi
12:13/mi
2:54:33
↑ 19↓ 370.5%
25K· 15.53 mi
14:20/mi
3:29:19
↑ 66↓ 880.2%
30K· 18.64 mi
14:44/mi
4:15:05
↑ 181↓ 1480.2%
20M
14:57/mi
4:35:24
↑ 64↓ 500.2%
21M
14:18/mi
4:49:42
↑ 106↓ 241.6%
35K· 21.75 mi
15:50/mi
5:01:33
↑ 17↓ 861.7%
23M
13:59/mi
5:19:03
↑ 23↓ 630.6%
24M
14:42/mi
5:33:45
↓ 821.3%
40K· 24.85 mi
15:19/mi
5:46:51
↓ 200.3%
25.2M
16:06/mi
5:52:24
↑ 13↓ 160.2%
Finish· 26.22 mi
14:26/mi
6:07:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:54:33
Pace13:19 /mi
2nd Half
Distance13.11 mi
Time3:12:34
Pace14:41 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5037:4212:0837:42
12:08
-
10K
6.21 mi11:08:111:18:0312:3440:21
12:59
+0:51
15K
9.32 mi11:52:142:02:0613:0644:03
14:11
+1:12
20K
12.43 mi12:36:212:46:1313:2244:07
14:12
+0:01
Half
13.11 mi12:44:412:54:3313:198:20
12:13
-1:59
25K
15.53 mi13:19:273:29:1913:2834:46
14:20
+2:07
30K
18.64 mi14:05:134:15:0513:4145:46
14:44
+0:24
20M
20.00 mi14:25:324:35:2413:4620:19
14:57
+0:13
21M
21.00 mi14:39:504:49:4213:4814:18
14:18
-0:39
35K
21.75 mi14:51:415:01:3313:5211:51
15:50
+1:32
23M
23.00 mi15:09:115:19:0313:5217:30
13:59
-1:51
24M
24.00 mi15:23:535:33:4513:5414:42
14:42
+0:43
40K
24.85 mi15:36:595:46:5113:5713:06
15:19
+0:37
25.2M
25.20 mi15:42:325:52:2413:595:33
16:06
+0:47
Finish
26.22 mi15:57:156:07:0714:0114:43
14:26
-1:40

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

12:08 /mi

Average Pace

14:01 /mi

Slowest Pace

16:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:23

24% of race

Time at Steady Pace

3:49:55

63% of race

Time at Slower Pace

50:49

14% of race

Average Pace: 14:00 /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 mi10:27:5037:4212:0837:42
12:08
#28266
10K
6.21 mi11:08:111:18:0312:3440:21
12:59
#28308
15K
9.32 mi11:52:142:02:0613:0644:03
14:11
#28354
20K
12.43 mi12:36:212:46:1313:2244:07
14:12
#28355
Half
13.11 mi12:44:412:54:3313:198:20
12:13
#28344
25K
15.53 mi13:19:273:29:1913:2834:46
14:20
#28331
30K
18.64 mi14:05:134:15:0513:4145:46
14:44
#28307
20M
20.00 mi14:25:324:35:2413:4620:19
14:57
#28302
21M
21.00 mi14:39:504:49:4213:4814:18
14:18
#28279
35K
21.75 mi14:51:415:01:3313:5211:51
15:50
#28294
23M
23.00 mi15:09:115:19:0313:5217:30
13:59
#28274
24M
24.00 mi15:23:535:33:4513:5414:42
14:42
#28287
40K
24.85 mi15:36:595:46:5113:5713:06
15:19
#28293
25.2M
25.20 mi15:42:325:52:2413:595:33
16:06
#28293
Finish
26.22 mi15:57:156:07:0714:0114:43
14:26
#28302
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi28266160601606028359(Top 100%)16082(Top 100%)16082(Top 1277%)
10K6.21 mi3.10 mi28308-4216070-1016070-1028316(Top 100%)16068(Top 100%)16068(Top 1276%)
15K9.32 mi3.11 mi28354-4616085-1516085-1528359(Top 100%)16082(Top 100%)16082(Top 1277%)
20K12.43 mi3.11 mi28355-116083+216083+228286(Top 100%)16043(Top 100%)16043(Top 1274%)
Half13.11 mi0.68 mi28344+1116079+416079+427608(Top 97%)15766(Top 98%)15766(Top 1252%)
25K15.53 mi2.42 mi28331+1316072+716072+728045(Top 99%)15936(Top 99%)15936(Top 1266%)
30K18.64 mi3.11 mi28307+2416054+1816054+1827912(Top 98%)15838(Top 98%)15838(Top 1258%)
20M20.00 mi1.36 mi28302+516052+216052+227844(Top 98%)15791(Top 98%)15791(Top 1254%)
21M21.00 mi1.00 mi28279+2316043+916043+926535(Top 93%)15139(Top 94%)15139(Top 1202%)
35K21.75 mi0.75 mi28294-1516046-316046-328219(Top 99%)15987(Top 99%)15987(Top 1270%)
23M23.00 mi1.25 mi28274+2016034+1216034+1227310(Top 96%)15479(Top 96%)15479(Top 1229%)
24M24.00 mi1.00 mi28287-1316042-816042-827958(Top 98%)15809(Top 98%)15809(Top 1256%)
40K24.85 mi0.85 mi28293-616045-316045-327908(Top 98%)15780(Top 98%)15780(Top 1253%)
25.2M25.20 mi0.35 mi2829316044+116044+127768(Top 98%)15690(Top 97%)15690(Top 1246%)
Finish26.22 mi1.02 mi28302-916046-216046-228157(Top 99%)15941(Top 99%)15941(Top 1266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21story building
+97ft-345ft

Overall

28359

Males

16082

M60-64

16082

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

28316

Males

16068

M60-64

16068

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

28359

Males

16082

M60-64

16082

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

28286

Males

16043

M60-64

16043

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27608

Males

15766

M60-64

15766

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28045

Males

15936

M60-64

15936

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27912

Males

15838

M60-64

15838

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27844

Males

15791

M60-64

15791

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26535

Males

15139

M60-64

15139

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

28219

Males

15987

M60-64

15987

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27310

Males

15479

M60-64

15479

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27958

Males

15809

M60-64

15809

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27908

Males

15780

M60-64

15780

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27768

Males

15690

M60-64

15690

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

28157

Males

15941

M60-64

15941

Passing Analysis

Category:
Athletes Passed
145
Passed By
181
Net Change
-36
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28266
5K → 10K1557-42#28266#28308
10K → 15K349-46#28308#28354
15K → 20K67-1#28354#28355
20K → Half110+11#28355#28344
Half → 25K185+13#28344#28331
25K → 30K295+24#28331#28307
30K → 20M83+5#28307#28302
20M → 21M230+23#28302#28279
21M → 35K318-15#28279#28294
35K → 23M200+20#28294#28274
23M → 24M013-13#28274#28287
24M → 40K28-6#28287#28293
40K → 25.2M220#28293#28293
25.2M → Finish514-9#28293#28302
TOTALS145181-36
📊

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