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BOSTON MARATHON 2025

Kelly Griffin

Bib: 11153•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M45-49)
#0 / 2386
Top 33%
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
6:54/mi
21:26
↑ 97↓ 3451.5%
10K· 6.21 mi
6:48/mi
42:34
↑ 79↓ 1380.4%
15K· 9.32 mi
6:53/mi
1:03:56
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:25:53
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:30:37
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:47:27
↑ 66↓ 880.2%
30K· 18.64 mi
7:18/mi
2:10:08
↑ 181↓ 1480.2%
20M
7:23/mi
2:20:10
↑ 64↓ 500.2%
21M
7:45/mi
2:27:55
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:33:26
↑ 17↓ 861.7%
23M
8:27/mi
2:44:01
↑ 23↓ 630.6%
24M
8:07/mi
2:52:08
↓ 821.3%
40K· 24.85 mi
8:02/mi
2:59:00
↓ 200.3%
25.2M
8:59/mi
3:02:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:09:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:37
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:39:08
Pace7:34 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2621:266:5421:26
6:54
-
10K
6.21 mi11:09:3442:346:5121:08
6:48
-0:06
15K
9.32 mi11:30:561:03:566:5221:22
6:53
+0:05
20K
12.43 mi11:52:531:25:536:5521:57
7:04
+0:11
Half
13.11 mi11:57:371:30:376:554:44
6:56
-0:08
25K
15.53 mi12:14:271:47:276:5516:50
6:57
+0:01
30K
18.64 mi12:37:082:10:086:5922:41
7:18
+0:21
20M
20.00 mi12:47:102:20:107:0010:02
7:23
+0:05
21M
21.00 mi12:54:552:27:557:037:45
7:45
+0:22
35K
21.75 mi13:00:262:33:267:035:31
7:22
-0:23
23M
23.00 mi13:11:012:44:017:0810:35
8:27
+1:05
24M
24.00 mi13:19:082:52:087:108:07
8:07
-0:20
40K
24.85 mi13:26:002:59:007:126:52
8:02
-0:05
25.2M
25.20 mi13:29:063:02:067:143:06
8:59
+0:57
Finish
26.22 mi13:36:453:09:457:157:39
7:30
-1:29

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

6:48 /mi

Average Pace

7:15 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:30

45% of race

Time at Steady Pace

1:07:50

36% of race

Time at Slower Pace

36:25

19% of race

Average Pace: 7:14 /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 mi10:48:2621:266:5421:26
6:54
#7057
10K
6.21 mi11:09:3442:346:5121:08
6:48
#6755
15K
9.32 mi11:30:561:03:566:5221:22
6:53
#6746
20K
12.43 mi11:52:531:25:536:5521:57
7:04
#6901
Half
13.11 mi11:57:371:30:376:554:44
6:56
#6916
25K
15.53 mi12:14:271:47:276:5516:50
6:57
#6702
30K
18.64 mi12:37:082:10:086:5922:41
7:18
#6538
20M
20.00 mi12:47:102:20:107:0010:02
7:23
#6439
21M
21.00 mi12:54:552:27:557:037:45
7:45
#6345
35K
21.75 mi13:00:262:33:267:035:31
7:22
#6346
23M
23.00 mi13:11:012:44:017:0810:35
8:27
#6601
24M
24.00 mi13:19:082:52:087:108:07
8:07
#6787
40K
24.85 mi13:26:002:59:007:126:52
8:02
#6888
25.2M
25.20 mi13:29:063:02:067:143:06
8:59
#6938
Finish
26.22 mi13:36:453:09:457:157:39
7:30
#6985
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7057634463446786(Top 24%)6089(Top 38%)6089(Top 255%)
10K6.21 mi3.10 mi6755+3026102+2426102+2426398(Top 23%)5798(Top 36%)5798(Top 243%)
15K9.32 mi3.11 mi6746+96083+196083+196786(Top 24%)6089(Top 38%)6089(Top 255%)
20K12.43 mi3.11 mi6901-1556204-1216204-1217275(Top 26%)6396(Top 40%)6396(Top 268%)
Half13.11 mi0.68 mi6916-156211-76211-77108(Top 25%)6285(Top 39%)6285(Top 263%)
25K15.53 mi2.42 mi6702+2146023+1886023+1885930(Top 21%)5343(Top 33%)5343(Top 224%)
30K18.64 mi3.11 mi6538+1645865+1585865+1586453(Top 23%)5617(Top 35%)5617(Top 235%)
20M20.00 mi1.36 mi6439+995768+975768+976271(Top 22%)5376(Top 33%)5376(Top 225%)
21M21.00 mi1.00 mi6345+945680+885680+885904(Top 21%)5004(Top 31%)5004(Top 210%)
35K21.75 mi0.75 mi6346-15662+185662+187665(Top 27%)6082(Top 38%)6082(Top 255%)
23M23.00 mi1.25 mi6601-2555815-1535815-15312976(Top 46%)8674(Top 54%)8674(Top 364%)
24M24.00 mi1.00 mi6787-1865922-1075922-10711967(Top 42%)8133(Top 50%)8133(Top 341%)
40K24.85 mi0.85 mi6888-1015964-425964-4210374(Top 37%)7220(Top 45%)7220(Top 303%)
25.2M25.20 mi0.35 mi6938-505981-175981-1711616(Top 41%)7750(Top 48%)7750(Top 325%)
Finish26.22 mi1.02 mi6985-475985-45985-49187(Top 32%)6532(Top 41%)6532(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6786

Males

6089

M45-49

6089

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6398

Males

5798

M45-49

5798

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6786

Males

6089

M45-49

6089

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7275

Males

6396

M45-49

6396

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7108

Males

6285

M45-49

6285

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5930

Males

5343

M45-49

5343

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6453

Males

5617

M45-49

5617

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6271

Males

5376

M45-49

5376

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5904

Males

5004

M45-49

5004

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7665

Males

6082

M45-49

6082

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12976

Males

8674

M45-49

8674

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11967

Males

8133

M45-49

8133

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10374

Males

7220

M45-49

7220

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11616

Males

7750

M45-49

7750

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9187

Males

6532

M45-49

6532

Passing Analysis

Category:
Athletes Passed
1562
Passed By
1490
Net Change
+72
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7057
5K → 10K36563+302#7057#6755
10K → 15K151142+9#6755#6746
15K → 20K79234-155#6746#6901
20K → Half2035-15#6901#6916
Half → 25K23925+214#6916#6702
25K → 30K25591+164#6702#6538
30K → 20M13132+99#6538#6439
20M → 21M11521+94#6439#6345
21M → 35K4344-1#6345#6346
35K → 23M36291-255#6346#6601
23M → 24M30216-186#6601#6787
24M → 40K36137-101#6787#6888
40K → 25.2M1161-50#6888#6938
25.2M → Finish5198-47#6938#6985
TOTALS15621490+72
📊

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