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BOSTON MARATHON 2025

Greg Loring

Bib: 32468•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
9:47/mi
30:25
↑ 97↓ 3451.5%
10K· 6.21 mi
10:26/mi
1:02:49
↑ 79↓ 1380.4%
15K· 9.32 mi
9:44/mi
1:33:02
↑ 67↓ 78
20K· 12.43 mi
9:58/mi
2:04:01
↑ 106↓ 860.1%
Half· 13.11 mi
9:24/mi
2:10:26
↑ 19↓ 370.5%
25K· 15.53 mi
9:45/mi
2:34:05
↑ 66↓ 880.2%
30K· 18.64 mi
10:05/mi
3:05:26
↑ 181↓ 1480.2%
20M
10:14/mi
3:19:20
↑ 64↓ 500.2%
21M
10:17/mi
3:29:37
↑ 106↓ 241.6%
35K· 21.75 mi
9:56/mi
3:37:03
↑ 17↓ 861.7%
23M
10:17/mi
3:49:55
↑ 23↓ 630.6%
24M
10:12/mi
4:00:07
↓ 821.3%
40K· 24.85 mi
10:42/mi
4:09:16
↓ 200.3%
25.2M
10:41/mi
4:12:57
↑ 13↓ 160.2%
Finish· 26.22 mi
9:09/mi
4:22:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:26
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:11:50
Pace10:03 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1330:259:4730:25
9:47
-
10K
6.21 mi12:29:371:02:4910:0732:24
10:26
+0:39
15K
9.32 mi12:59:501:33:029:5930:13
9:44
-0:42
20K
12.43 mi13:30:492:04:019:5930:59
9:58
+0:14
Half
13.11 mi13:37:142:10:269:576:25
9:24
-0:34
25K
15.53 mi14:00:532:34:059:5523:39
9:45
+0:21
30K
18.64 mi14:32:143:05:269:5731:21
10:05
+0:20
20M
20.00 mi14:46:083:19:209:5813:54
10:14
+0:09
21M
21.00 mi14:56:253:29:379:5910:17
10:17
+0:03
35K
21.75 mi15:03:513:37:039:597:26
9:56
-0:21
23M
23.00 mi15:16:433:49:5510:0012:52
10:17
+0:21
24M
24.00 mi15:26:554:00:0710:0010:12
10:12
-0:05
40K
24.85 mi15:36:044:09:1610:029:09
10:42
+0:30
25.2M
25.20 mi15:39:454:12:5710:023:41
10:41
-0:01
Finish
26.22 mi15:49:044:22:1610:019:19
9:09
-1:32

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

9:09 /mi

Average Pace

10:01 /mi

Slowest Pace

10:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:26

53% of race

Time at Steady Pace

2:03:50

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:00 /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 mi11:57:1330:259:4730:25
9:47
#25069
10K
6.21 mi12:29:371:02:4910:0732:24
10:26
#25674
15K
9.32 mi12:59:501:33:029:5930:13
9:44
#25236
20K
12.43 mi13:30:492:04:019:5930:59
9:58
#24967
Half
13.11 mi13:37:142:10:269:576:25
9:24
#24862
25K
15.53 mi14:00:532:34:059:5523:39
9:45
#24537
30K
18.64 mi14:32:143:05:269:5731:21
10:05
#24092
20M
20.00 mi14:46:083:19:209:5813:54
10:14
#23913
21M
21.00 mi14:56:253:29:379:5910:17
10:17
#23678
35K
21.75 mi15:03:513:37:039:597:26
9:56
#23599
23M
23.00 mi15:16:433:49:5510:0012:52
10:17
#23459
24M
24.00 mi15:26:554:00:0710:0010:12
10:12
#23402
40K
24.85 mi15:36:044:09:1610:029:09
10:42
#23332
25.2M
25.20 mi15:39:454:12:5710:023:41
10:41
#23283
Finish
26.22 mi15:49:044:22:1610:019:19
9:09
#23191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25069147621476224344(Top 86%)14411(Top 89%)14411(Top 255%)
10K6.21 mi3.10 mi25674-60515018-25615018-25626146(Top 92%)15205(Top 94%)15205(Top 269%)
15K9.32 mi3.11 mi25236+43814817+20114817+20124344(Top 86%)14411(Top 89%)14411(Top 255%)
20K12.43 mi3.11 mi24967+26914688+12914688+12924168(Top 85%)14293(Top 89%)14293(Top 253%)
Half13.11 mi0.68 mi24862+10514638+5014638+5023263(Top 82%)13908(Top 86%)13908(Top 247%)
25K15.53 mi2.42 mi24537+32514474+16414474+16422648(Top 80%)13580(Top 84%)13580(Top 241%)
30K18.64 mi3.11 mi24092+44514254+22014254+22021866(Top 77%)13104(Top 81%)13104(Top 232%)
20M20.00 mi1.36 mi23913+17914151+10314151+10321650(Top 76%)12885(Top 80%)12885(Top 228%)
21M21.00 mi1.00 mi23678+23514018+13314018+13319300(Top 68%)11761(Top 73%)11761(Top 208%)
35K21.75 mi0.75 mi23599+7913975+4313975+4321716(Top 76%)12780(Top 79%)12780(Top 227%)
23M23.00 mi1.25 mi23459+14013890+8513890+8521351(Top 75%)12576(Top 78%)12576(Top 223%)
24M24.00 mi1.00 mi23402+5713851+3913851+3921935(Top 77%)12781(Top 79%)12781(Top 227%)
40K24.85 mi0.85 mi23332+7013798+5313798+5322456(Top 79%)12963(Top 80%)12963(Top 230%)
25.2M25.20 mi0.35 mi23283+4913766+3213766+3219649(Top 69%)11632(Top 72%)11632(Top 206%)
Finish26.22 mi1.02 mi23191+9213709+5713709+5719700(Top 69%)11676(Top 72%)11676(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24344

Males

14411

M18-39

14411

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26146

Males

15205

M18-39

15205

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24344

Males

14411

M18-39

14411

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24168

Males

14293

M18-39

14293

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23263

Males

13908

M18-39

13908

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22648

Males

13580

M18-39

13580

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21866

Males

13104

M18-39

13104

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21650

Males

12885

M18-39

12885

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19300

Males

11761

M18-39

11761

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21716

Males

12780

M18-39

12780

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21351

Males

12576

M18-39

12576

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21935

Males

12781

M18-39

12781

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22456

Males

12963

M18-39

12963

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19649

Males

11632

M18-39

11632

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19700

Males

11676

M18-39

11676

Passing Analysis

Category:
Athletes Passed
2658
Passed By
780
Net Change
+1878
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25069
5K → 10K47652-605#25069#25674
10K → 15K45012+438#25674#25236
15K → 20K29829+269#25236#24967
20K → Half1094+105#24967#24862
Half → 25K3261+325#24862#24537
25K → 30K45510+445#24537#24092
30K → 20M1878+179#24092#23913
20M → 21M2361+235#23913#23678
21M → 35K889+79#23678#23599
35K → 23M16121+140#23599#23459
23M → 24M6811+57#23459#23402
24M → 40K8313+70#23402#23332
40K → 25.2M501+49#23332#23283
25.2M → Finish1008+92#23283#23191
TOTALS2658780+1878
📊

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