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BOSTON MARATHON 2025

Connor Griffin

Bib: 32341•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
8:33/mi
26:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
52:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:18:20
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:44:06
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:49:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:09:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:36:12
↑ 181↓ 1480.2%
20M
8:42/mi
2:48:02
↑ 64↓ 500.2%
21M
9:08/mi
2:57:10
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
3:03:18
↑ 17↓ 861.7%
23M
8:35/mi
3:14:03
↑ 23↓ 630.6%
24M
8:29/mi
3:22:32
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:29:50
↓ 200.3%
25.2M
8:59/mi
3:32:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:40:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:34
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:50:53
Pace8:28 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2026:348:3326:34
8:33
-
10K
6.21 mi12:13:2752:418:2926:07
8:24
-0:09
15K
9.32 mi12:39:061:18:208:2425:39
8:15
-0:09
20K
12.43 mi13:04:521:44:068:2325:46
8:18
+0:03
Half
13.11 mi13:10:201:49:348:215:28
8:01
-0:17
25K
15.53 mi13:30:212:09:358:2120:01
8:15
+0:14
30K
18.64 mi13:56:582:36:128:2326:37
8:34
+0:19
20M
20.00 mi14:08:482:48:028:2411:50
8:42
+0:08
21M
21.00 mi14:17:562:57:108:269:08
9:08
+0:26
35K
21.75 mi14:24:043:03:188:266:08
8:12
-0:56
23M
23.00 mi14:34:493:14:038:2610:45
8:35
+0:23
24M
24.00 mi14:43:183:22:328:268:29
8:29
-0:06
40K
24.85 mi14:50:363:29:508:277:18
8:32
+0:03
25.2M
25.20 mi14:53:423:32:568:273:06
8:59
+0:27
Finish
26.22 mi15:01:133:40:278:257:31
7:23
-1:36

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

7:23 /mi

Average Pace

8:25 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:47

29% of race

Time at Steady Pace

2:11:36

60% of race

Time at Slower Pace

24:04

11% of race

Average Pace: 8:24 /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 mi11:47:2026:348:3326:34
8:33
#20188
10K
6.21 mi12:13:2752:418:2926:07
8:24
#19694
15K
9.32 mi12:39:061:18:208:2425:39
8:15
#19043
20K
12.43 mi13:04:521:44:068:2325:46
8:18
#18488
Half
13.11 mi13:10:201:49:348:215:28
8:01
#18348
25K
15.53 mi13:30:212:09:358:2120:01
8:15
#17870
30K
18.64 mi13:56:582:36:128:2326:37
8:34
#17327
20M
20.00 mi14:08:482:48:028:2411:50
8:42
#17142
21M
21.00 mi14:17:562:57:108:269:08
9:08
#16924
35K
21.75 mi14:24:043:03:188:266:08
8:12
#16795
23M
23.00 mi14:34:493:14:038:2610:45
8:35
#16586
24M
24.00 mi14:43:183:22:328:268:29
8:29
#16475
40K
24.85 mi14:50:363:29:508:277:18
8:32
#16350
25.2M
25.20 mi14:53:423:32:568:273:06
8:59
#16279
Finish
26.22 mi15:01:133:40:278:257:31
7:23
#15981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20188125191251917765(Top 63%)11534(Top 72%)11534(Top 204%)
10K6.21 mi3.10 mi19694+49412336+18312336+18319220(Top 68%)12152(Top 75%)12152(Top 215%)
15K9.32 mi3.11 mi19043+65112049+28712049+28717765(Top 63%)11534(Top 72%)11534(Top 204%)
20K12.43 mi3.11 mi18488+55511822+22711822+22716893(Top 59%)11129(Top 69%)11129(Top 197%)
Half13.11 mi0.68 mi18348+14011754+6811754+6815946(Top 56%)10749(Top 67%)10749(Top 191%)
25K15.53 mi2.42 mi17870+47811539+21511539+21515640(Top 55%)10506(Top 65%)10506(Top 186%)
30K18.64 mi3.11 mi17327+54311262+27711262+27715180(Top 53%)10139(Top 63%)10139(Top 180%)
20M20.00 mi1.36 mi17142+18511165+9711165+9715105(Top 53%)9969(Top 62%)9969(Top 177%)
21M21.00 mi1.00 mi16924+21811047+11811047+11814257(Top 50%)9460(Top 59%)9460(Top 168%)
35K21.75 mi0.75 mi16795+12910978+6910978+6913613(Top 48%)9106(Top 57%)9106(Top 161%)
23M23.00 mi1.25 mi16586+20910855+12310855+12313836(Top 49%)9090(Top 56%)9090(Top 161%)
24M24.00 mi1.00 mi16475+11110782+7310782+7314384(Top 51%)9328(Top 58%)9328(Top 165%)
40K24.85 mi0.85 mi16350+12510700+8210700+8213665(Top 48%)8846(Top 55%)8846(Top 157%)
25.2M25.20 mi0.35 mi16279+7110664+3610664+3611744(Top 41%)7878(Top 49%)7878(Top 140%)
Finish26.22 mi1.02 mi15981+29810518+14610518+1468336(Top 29%)6112(Top 38%)6112(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17765

Males

11534

M18-39

11534

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19220

Males

12152

M18-39

12152

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17765

Males

11534

M18-39

11534

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16893

Males

11129

M18-39

11129

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15946

Males

10749

M18-39

10749

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15640

Males

10506

M18-39

10506

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

15180

Males

10139

M18-39

10139

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15105

Males

9969

M18-39

9969

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14257

Males

9460

M18-39

9460

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13613

Males

9106

M18-39

9106

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13836

Males

9090

M18-39

9090

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14384

Males

9328

M18-39

9328

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13665

Males

8846

M18-39

8846

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11744

Males

7878

M18-39

7878

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8336

Males

6112

M18-39

6112

Passing Analysis

Category:
Athletes Passed
4497
Passed By
290
Net Change
+4207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20188
5K → 10K600106+494#20188#19694
10K → 15K67221+651#19694#19043
15K → 20K57116+555#19043#18488
20K → Half1433+140#18488#18348
Half → 25K4879+478#18348#17870
25K → 30K56926+543#17870#17327
30K → 20M20722+185#17327#17142
20M → 21M23820+218#17142#16924
21M → 35K1323+129#16924#16795
35K → 23M22617+209#16795#16586
23M → 24M14029+111#16586#16475
24M → 40K13510+125#16475#16350
40K → 25.2M754+71#16350#16279
25.2M → Finish3024+298#16279#15981
TOTALS4497290+4207
📊

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