Boston Marathon logo
BOSTON MARATHON 2023

Blake Whitney

Bib: 2285•M

DC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M40-44)
#0 / 2241
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #5260
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:38
Rank: #5496 (-236)
5K → 10K
21:18 | 6:51/mi
15K· 9.32 mi
1:03:52
Rank: #5489 (+7)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:25:11
Rank: #5368 (+121)
15K → 20K
21:19 | 6:52/mi
Half· 13.11 mi
1:29:47
Rank: #5318 (+50)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:46:34
Rank: #5277 (+41)
Half → 25K
16:47 | 6:55/mi
30K· 18.64 mi
2:08:15
Rank: #5000 (+277)
25K → 30K
21:41 | 6:59/mi
20M
2:17:40
Rank: #4841 (+159)
30K → 20M
9:25 | 6:56/mi
21M
2:24:40
Rank: #4648 (+193)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:29:39
Rank: #4584 (+64)
21M → 35K
4:59 | 6:40/mi
23M
2:38:07
Rank: #4387 (+197)
35K → 23M
8:28 | 6:46/mi
24M
2:44:37
Rank: #4266 (+121)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:50:13
Rank: #4099 (+167)
24M → 40K
5:36 | 6:33/mi
25.2M
2:52:35
Rank: #4016 (+83)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:58:48
Rank: #3780 (+236)
25.2M → Finish
6:13 | 6:06/mi

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 Half⚖️ Balanced
Distance13.11 mi
Time1:29:47
Pace6:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:01
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1021:206:5221:20
6:52
-
10K
6.21 mi10:43:2842:386:5221:18
6:51
-0:01
15K
9.32 mi11:04:421:03:526:5121:14
6:50
-0:01
20K
12.43 mi11:26:011:25:116:5121:19
6:52
+0:02
Half
13.11 mi11:30:371:29:476:514:36
6:45
-0:07
25K
15.53 mi11:47:241:46:346:5216:47
6:55
+0:10
30K
18.64 mi12:09:052:08:156:5321:41
6:59
+0:04
20M
20.00 mi12:18:302:17:406:539:25
6:56
-0:03
21M
21.00 mi12:25:302:24:406:537:00
7:00
+0:04
35K
21.75 mi12:30:292:29:396:534:59
6:40
-0:20
23M
23.00 mi12:38:572:38:076:528:28
6:46
+0:06
24M
24.00 mi12:45:272:44:376:526:30
6:30
-0:16
40K
24.85 mi12:51:032:50:136:515:36
6:33
+0:03
25.2M
25.20 mi12:53:252:52:356:512:22
6:52
+0:19
Finish
26.22 mi12:59:382:58:486:496:13
6:06
-0:46

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

6:06 /mi

Average Pace

6:49 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:18

13% of race

Time at Steady Pace

2:35:30

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:22:1021:206:5221:20
6:52
#5260
10K
6.21 mi10:43:2842:386:5221:18
6:51
#5496
15K
9.32 mi11:04:421:03:526:5121:14
6:50
#5489
20K
12.43 mi11:26:011:25:116:5121:19
6:52
#5368
Half
13.11 mi11:30:371:29:476:514:36
6:45
#5318
25K
15.53 mi11:47:241:46:346:5216:47
6:55
#5277
30K
18.64 mi12:09:052:08:156:5321:41
6:59
#5000
20M
20.00 mi12:18:302:17:406:539:25
6:56
#4841
21M
21.00 mi12:25:302:24:406:537:00
7:00
#4648
35K
21.75 mi12:30:292:29:396:534:59
6:40
#4584
23M
23.00 mi12:38:572:38:076:528:28
6:46
#4387
24M
24.00 mi12:45:272:44:376:526:30
6:30
#4266
40K
24.85 mi12:51:032:50:136:515:36
6:33
#4099
25.2M
25.20 mi12:53:252:52:356:512:22
6:52
#4016
Finish
26.22 mi12:59:382:58:486:496:13
6:06
#3780
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5260486748675410(Top 20%)4987(Top 33%)4987(Top 223%)
10K6.21 mi3.10 mi5496-2365070-2035070-2035785(Top 22%)5286(Top 35%)5286(Top 236%)
15K9.32 mi3.11 mi5489+75067+35067+35410(Top 20%)4987(Top 33%)4987(Top 223%)
20K12.43 mi3.11 mi5368+1214967+1004967+1004992(Top 19%)4625(Top 30%)4625(Top 206%)
Half13.11 mi0.68 mi5318+504924+434924+434675(Top 18%)4337(Top 29%)4337(Top 194%)
25K15.53 mi2.42 mi5277+414887+374887+375078(Top 19%)4688(Top 31%)4688(Top 209%)
30K18.64 mi3.11 mi5000+2774639+2484639+2484210(Top 16%)3924(Top 26%)3924(Top 175%)
20M20.00 mi1.36 mi4841+1594499+1404499+1403597(Top 14%)3356(Top 22%)3356(Top 150%)
21M21.00 mi1.00 mi4648+1934328+1714328+1712165(Top 8%)2046(Top 13%)2046(Top 91%)
35K21.75 mi0.75 mi4584+644268+604268+603355(Top 13%)3125(Top 21%)3125(Top 139%)
23M23.00 mi1.25 mi4387+1974098+1704098+1702470(Top 9%)2322(Top 15%)2322(Top 104%)
24M24.00 mi1.00 mi4266+1213991+1073991+1072117(Top 8%)1987(Top 13%)1987(Top 89%)
40K24.85 mi0.85 mi4099+1673836+1553836+1551753(Top 7%)1651(Top 11%)1651(Top 74%)
25.2M25.20 mi0.35 mi4016+833759+773759+771370(Top 5%)1300(Top 9%)1300(Top 58%)
Finish26.22 mi1.02 mi3780+2363548+2113548+2111002(Top 4%)956(Top 6%)956(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5410

Males

4987

M40-44

4987

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5785

Males

5286

M40-44

5286

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5410

Males

4987

M40-44

4987

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4992

Males

4625

M40-44

4625

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4675

Males

4337

M40-44

4337

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5078

Males

4688

M40-44

4688

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4210

Males

3924

M40-44

3924

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3597

Males

3356

M40-44

3356

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2165

Males

2046

M40-44

2046

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3355

Males

3125

M40-44

3125

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2470

Males

2322

M40-44

2322

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2117

Males

1987

M40-44

1987

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1753

Males

1651

M40-44

1651

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1370

Males

1300

M40-44

1300

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1002

Males

956

M40-44

956

Passing Analysis

Category:
Athletes Passed
2117
Passed By
637
Net Change
+1480
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5260
5K → 10K110346-236#5260#5496
10K → 15K126119+7#5496#5489
15K → 20K15837+121#5489#5368
20K → Half566+50#5368#5318
Half → 25K10867+41#5318#5277
25K → 30K29922+277#5277#5000
30K → 20M1689+159#5000#4841
20M → 21M1930+193#4841#4648
21M → 35K8117+64#4648#4584
35K → 23M2047+197#4584#4387
23M → 24M1276+121#4387#4266
24M → 40K1670+167#4266#4099
40K → 25.2M841+83#4099#4016
25.2M → Finish2360+236#4016#3780
TOTALS2117637+1480
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing