Boston Marathon logo
BOSTON MARATHON 2025

Gary Gregg

Bib: 18719•M

OK

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Top 4%
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
49:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:14:50
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:40:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:46:18
↑ 19↓ 370.5%
25K· 15.53 mi
8:25/mi
2:06:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:33:54
↑ 181↓ 1480.2%
20M
8:25/mi
2:45:20
↑ 64↓ 500.2%
21M
9:01/mi
2:54:21
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
3:00:40
↑ 17↓ 861.7%
23M
8:57/mi
3:11:52
↑ 23↓ 630.6%
24M
8:28/mi
3:20:20
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:27:32
↓ 200.3%
25.2M
9:25/mi
3:30:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:38:51
↑ 22↓ 21

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
Time1:46:18
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:52:33
Pace8:35 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1924:367:5524:36
7:55
-
10K
6.21 mi11:40:3349:508:0125:14
8:07
+0:12
15K
9.32 mi12:05:331:14:508:0225:00
8:03
-0:04
20K
12.43 mi12:31:241:40:418:0625:51
8:19
+0:16
Half
13.11 mi12:37:011:46:188:075:37
8:14
-0:05
25K
15.53 mi12:57:252:06:428:0920:24
8:25
+0:11
30K
18.64 mi13:24:372:33:548:1527:12
8:45
+0:20
20M
20.00 mi13:36:032:45:208:1611:26
8:25
-0:20
21M
21.00 mi13:45:042:54:218:189:01
9:01
+0:36
35K
21.75 mi13:51:233:00:408:186:19
8:27
-0:34
23M
23.00 mi14:02:353:11:528:2111:12
8:57
+0:30
24M
24.00 mi14:11:033:20:208:218:28
8:28
-0:29
40K
24.85 mi14:18:153:27:328:217:12
8:25
-0:03
25.2M
25.20 mi14:21:303:30:478:223:15
9:25
+1:00
Finish
26.22 mi14:29:343:38:518:218:04
7:55
-1:30

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

7:55 /mi

Average Pace

8:21 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:11

77% of race

Time at Steady Pace

47:25

22% of race

Time at Slower Pace

3:15

1% of race

Average Pace: 8:21 /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 mi11:15:1924:367:5524:36
7:55
#15865
10K
6.21 mi11:40:3349:508:0125:14
8:07
#16673
15K
9.32 mi12:05:331:14:508:0225:00
8:03
#16542
20K
12.43 mi12:31:241:40:418:0625:51
8:19
#16688
Half
13.11 mi12:37:011:46:188:075:37
8:14
#16728
25K
15.53 mi12:57:252:06:428:0920:24
8:25
#16683
30K
18.64 mi13:24:372:33:548:1527:12
8:45
#16565
20M
20.00 mi13:36:032:45:208:1611:26
8:25
#16289
21M
21.00 mi13:45:042:54:218:189:01
9:01
#16092
35K
21.75 mi13:51:233:00:408:186:19
8:27
#16025
23M
23.00 mi14:02:353:11:528:2111:12
8:57
#15971
24M
24.00 mi14:11:033:20:208:218:28
8:28
#15887
40K
24.85 mi14:18:153:27:328:217:12
8:25
#15741
25.2M
25.20 mi14:21:303:30:478:223:15
9:25
#15706
Finish
26.22 mi14:29:343:38:518:218:04
7:55
#15574
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi15865107601076016378(Top 58%)10965(Top 68%)10965(Top 4809%)
10K6.21 mi3.10 mi16673-80811090-33011090-33017349(Top 61%)11388(Top 71%)11388(Top 4995%)
15K9.32 mi3.11 mi16542+13111040+5011040+5016378(Top 58%)10965(Top 68%)10965(Top 4809%)
20K12.43 mi3.11 mi16688-14611093-5311093-5317032(Top 60%)11190(Top 69%)11190(Top 4908%)
Half13.11 mi0.68 mi16728-4011102-911102-917422(Top 61%)11361(Top 71%)11361(Top 4983%)
25K15.53 mi2.42 mi16683+4511056+4611056+4616641(Top 59%)10939(Top 68%)10939(Top 4798%)
30K18.64 mi3.11 mi16565+11810953+10310953+10316317(Top 57%)10630(Top 66%)10630(Top 4662%)
20M20.00 mi1.36 mi16289+27610815+13810815+13813236(Top 47%)9100(Top 57%)9100(Top 3991%)
21M21.00 mi1.00 mi16092+19710697+11810697+11813606(Top 48%)9162(Top 57%)9162(Top 4018%)
35K21.75 mi0.75 mi16025+6710645+5210645+5215116(Top 53%)9781(Top 61%)9781(Top 4290%)
23M23.00 mi1.25 mi15971+5410576+6910576+6915928(Top 56%)10040(Top 62%)10040(Top 4404%)
24M24.00 mi1.00 mi15887+8410529+4710529+4714283(Top 50%)9282(Top 58%)9282(Top 4071%)
40K24.85 mi0.85 mi15741+14610445+8410445+8412919(Top 45%)8498(Top 53%)8498(Top 3727%)
25.2M25.20 mi0.35 mi15706+3510410+3510410+3514114(Top 50%)8999(Top 56%)8999(Top 3947%)
Finish26.22 mi1.02 mi15574+13210336+7410336+7412283(Top 43%)8186(Top 51%)8186(Top 3590%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16378

Males

10965

M70-74

10965

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17349

Males

11388

M70-74

11388

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16378

Males

10965

M70-74

10965

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17032

Males

11190

M70-74

11190

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17422

Males

11361

M70-74

11361

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16641

Males

10939

M70-74

10939

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16317

Males

10630

M70-74

10630

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13236

Males

9100

M70-74

9100

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13606

Males

9162

M70-74

9162

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15116

Males

9781

M70-74

9781

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15928

Males

10040

M70-74

10040

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14283

Males

9282

M70-74

9282

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12919

Males

8498

M70-74

8498

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14114

Males

8999

M70-74

8999

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12283

Males

8186

M70-74

8186

Passing Analysis

Category:
Athletes Passed
2207
Passed By
1916
Net Change
+291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15865
5K → 10K101909-808#15865#16673
10K → 15K266135+131#16673#16542
15K → 20K162308-146#16542#16688
20K → Half2565-40#16688#16728
Half → 25K180135+45#16728#16683
25K → 30K273155+118#16683#16565
30K → 20M2848+276#16565#16289
20M → 21M21821+197#16289#16092
21M → 35K9932+67#16092#16025
35K → 23M13682+54#16025#15971
23M → 24M11228+84#15971#15887
24M → 40K15711+146#15887#15741
40K → 25.2M4914+35#15741#15706
25.2M → Finish14513+132#15706#15574
TOTALS22071916+291
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing