Boston Marathon logo
BOSTON MARATHON 2023

Timothy Griffin

Bib: 26594•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
11:43/mi
36:25
↑ 97↓ 3451.5%
10K· 6.21 mi
12:45/mi
1:16:02
↑ 79↓ 1380.4%
15K· 9.32 mi
12:49/mi
1:55:52
↑ 67↓ 78
20K· 12.43 mi
12:54/mi
2:35:58
↑ 106↓ 860.1%
Half· 13.11 mi
12:14/mi
2:44:19
↑ 19↓ 370.5%
25K· 15.53 mi
13:04/mi
3:16:01
↑ 66↓ 880.2%
30K· 18.64 mi
13:55/mi
3:59:14
↑ 181↓ 1480.2%
20M
14:06/mi
4:18:23
↑ 64↓ 500.2%
21M
17:18/mi
4:35:41
↑ 106↓ 241.6%
35K· 21.75 mi
14:23/mi
4:46:27
↑ 17↓ 861.7%
23M
14:53/mi
5:05:05
↑ 23↓ 630.6%
24M
14:30/mi
5:19:35
↓ 821.3%
40K· 24.85 mi
16:27/mi
5:33:39
↓ 200.3%
25.2M
16:20/mi
5:39:17
↑ 13↓ 160.2%
Finish· 26.22 mi
13:37/mi
5:53:10
↑ 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
Time2:44:19
Pace12:32 /mi
2nd Half
Distance13.11 mi
Time3:08:51
Pace14:24 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4536:2511:4336:25
11:43
-
10K
6.21 mi12:33:221:16:0212:1439:37
12:45
+1:02
15K
9.32 mi13:13:121:55:5212:2639:50
12:49
+0:04
20K
12.43 mi13:53:182:35:5812:3340:06
12:54
+0:05
Half
13.11 mi14:01:392:44:1912:328:21
12:14
-0:40
25K
15.53 mi14:33:213:16:0112:3731:42
13:04
+0:50
30K
18.64 mi15:16:343:59:1412:5043:13
13:55
+0:51
20M
20.00 mi15:35:434:18:2312:5519:09
14:06
+0:11
21M
21.00 mi15:53:014:35:4113:0817:18
17:18
+3:12
35K
21.75 mi16:03:474:46:2713:1010:46
14:23
-2:55
23M
23.00 mi16:22:255:05:0513:1618:38
14:53
+0:30
24M
24.00 mi16:36:555:19:3513:1914:30
14:30
-0:23
40K
24.85 mi16:50:595:33:3913:2514:04
16:27
+1:57
25.2M
25.20 mi16:56:375:39:1713:285:38
16:20
-0:07
Finish
26.22 mi17:10:305:53:1013:2913:53
13:37
-2:43

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

11:43 /mi

Average Pace

13:29 /mi

Slowest Pace

17:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:01

56% of race

Time at Steady Pace

1:41:31

29% of race

Time at Slower Pace

55:38

16% of race

Average Pace: 13:28 /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 mi11:53:4536:2511:4336:25
11:43
#26339
10K
6.21 mi12:33:221:16:0212:1439:37
12:45
#26464
15K
9.32 mi13:13:121:55:5212:2639:50
12:49
#26470
20K
12.43 mi13:53:182:35:5812:3340:06
12:54
#26429
Half
13.11 mi14:01:392:44:1912:328:21
12:14
#26415
25K
15.53 mi14:33:213:16:0112:3731:42
13:04
#26349
30K
18.64 mi15:16:343:59:1412:5043:13
13:55
#26318
20M
20.00 mi15:35:434:18:2312:5519:09
14:06
#26306
21M
21.00 mi15:53:014:35:4113:0817:18
17:18
#26336
35K
21.75 mi16:03:474:46:2713:1010:46
14:23
#26352
23M
23.00 mi16:22:255:05:0513:1618:38
14:53
#26359
24M
24.00 mi16:36:555:19:3513:1914:30
14:30
#26370
40K
24.85 mi16:50:595:33:3913:2514:04
16:27
#26394
25.2M
25.20 mi16:56:375:39:1713:285:38
16:20
#26401
Finish
26.22 mi17:10:305:53:1013:2913:53
13:37
#26407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi26339150631506326439(Top 99%)15094(Top 99%)15094(Top 736%)
10K6.21 mi3.10 mi26464-12515106-4315106-4326522(Top 100%)15121(Top 100%)15121(Top 737%)
15K9.32 mi3.11 mi26470-615105+115105+126439(Top 99%)15094(Top 99%)15094(Top 736%)
20K12.43 mi3.11 mi26429+4115093+1215093+1226189(Top 98%)15000(Top 99%)15000(Top 731%)
Half13.11 mi0.68 mi26415+1415088+515088+526033(Top 98%)14932(Top 98%)14932(Top 728%)
25K15.53 mi2.42 mi26349+6615075+1315075+1325903(Top 97%)14854(Top 98%)14854(Top 724%)
30K18.64 mi3.11 mi26318+3115061+1415061+1425988(Top 98%)14870(Top 98%)14870(Top 725%)
20M20.00 mi1.36 mi26306+1215050+1115050+1125882(Top 97%)14797(Top 98%)14797(Top 721%)
21M21.00 mi1.00 mi26336-3015058-815058-826482(Top 99%)15111(Top 100%)15111(Top 736%)
35K21.75 mi0.75 mi26352-1615065-715065-726272(Top 99%)14988(Top 99%)14988(Top 730%)
23M23.00 mi1.25 mi26359-7150651506526247(Top 99%)14964(Top 99%)14964(Top 729%)
24M24.00 mi1.00 mi26370-1115071-615071-626267(Top 99%)14960(Top 99%)14960(Top 729%)
40K24.85 mi0.85 mi26394-2415075-415075-426481(Top 99%)15087(Top 99%)15087(Top 735%)
25.2M25.20 mi0.35 mi26401-715078-315078-326227(Top 99%)14937(Top 98%)14937(Top 728%)
Finish26.22 mi1.02 mi26407-615079-115079-126245(Top 99%)14935(Top 98%)14935(Top 728%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26439

Males

15094

M50-54

15094

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

26522

Males

15121

M50-54

15121

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26439

Males

15094

M50-54

15094

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26189

Males

15000

M50-54

15000

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26033

Males

14932

M50-54

14932

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25903

Males

14854

M50-54

14854

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

25988

Males

14870

M50-54

14870

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25882

Males

14797

M50-54

14797

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

26482

Males

15111

M50-54

15111

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26272

Males

14988

M50-54

14988

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26247

Males

14964

M50-54

14964

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26267

Males

14960

M50-54

14960

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26481

Males

15087

M50-54

15087

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26227

Males

14937

M50-54

14937

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26245

Males

14935

M50-54

14935

Passing Analysis

Category:
Athletes Passed
284
Passed By
352
Net Change
-68
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26339
5K → 10K8133-125#26339#26464
10K → 15K2531-6#26464#26470
15K → 20K5211+41#26470#26429
20K → Half162+14#26429#26415
Half → 25K704+66#26415#26349
25K → 30K5221+31#26349#26318
30K → 20M2311+12#26318#26306
20M → 21M636-30#26306#26336
21M → 35K521-16#26336#26352
35K → 23M815-7#26352#26359
23M → 24M718-11#26359#26370
24M → 40K327-24#26370#26394
40K → 25.2M310-7#26394#26401
25.2M → Finish612-6#26401#26407
TOTALS284352-68
📊

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