Boston Marathon logo
BOSTON MARATHON 2023

Daniel George

Bib: 2308•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:59
Rank: #1948
Start → 5K
19:59 | 6:26/mi
10K· 6.21 mi
39:59
Rank: #2160 (-212)
5K → 10K
20:00 | 6:26/mi
15K· 9.32 mi
1:00:01
Rank: #2198 (-38)
10K → 15K
20:02 | 6:27/mi
20K· 12.43 mi
1:20:28
Rank: #2323 (-125)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:24:53
Rank: #2329 (-6)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:40:57
Rank: #2408 (-79)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
2:02:02
Rank: #2455 (-47)
25K → 30K
21:05 | 6:47/mi
20M
2:11:09
Rank: #2418 (+37)
30K → 20M
9:07 | 6:43/mi
21M
2:18:19
Rank: #2413 (+5)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:23:20
Rank: #2433 (-20)
21M → 35K
5:01 | 6:42/mi
23M
2:32:03
Rank: #2444 (-11)
35K → 23M
8:43 | 6:58/mi
24M
2:38:55
Rank: #2468 (-24)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:44:51
Rank: #2488 (-20)
24M → 40K
5:56 | 6:56/mi
25.2M
2:47:28
Rank: #2510 (-22)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:54:15
Rank: #2525 (-15)
25.2M → Finish
6:47 | 6:39/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 HalfFaster
Distance13.11 mi
Time1:24:53
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:29:22
Pace6:49 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5919:596:2619:59
6:26
-
10K
6.21 mi10:40:5939:596:2620:00
6:26
0:00
15K
9.32 mi11:01:011:00:016:2620:02
6:27
+0:01
20K
12.43 mi11:21:281:20:286:2820:27
6:35
+0:08
Half
13.11 mi11:25:531:24:536:284:25
6:28
-0:07
25K
15.53 mi11:41:571:40:576:3016:04
6:38
+0:10
30K
18.64 mi12:03:022:02:026:3321:05
6:47
+0:09
20M
20.00 mi12:12:092:11:096:339:07
6:43
-0:04
21M
21.00 mi12:19:192:18:196:357:10
7:10
+0:27
35K
21.75 mi12:24:202:23:206:355:01
6:42
-0:28
23M
23.00 mi12:33:032:32:036:378:43
6:58
+0:16
24M
24.00 mi12:39:552:38:556:376:52
6:52
-0:06
40K
24.85 mi12:45:512:44:516:385:56
6:56
+0:04
25.2M
25.20 mi12:48:282:47:286:392:37
7:35
+0:39
Finish
26.22 mi12:55:152:54:156:396:47
6:39
-0:56

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

6:26 /mi

Average Pace

6:39 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:28

94% of race

Time at Steady Pace

9:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:20:5919:596:2619:59
6:26
#1948
10K
6.21 mi10:40:5939:596:2620:00
6:26
#2160
15K
9.32 mi11:01:011:00:016:2620:02
6:27
#2198
20K
12.43 mi11:21:281:20:286:2820:27
6:35
#2323
Half
13.11 mi11:25:531:24:536:284:25
6:28
#2329
25K
15.53 mi11:41:571:40:576:3016:04
6:38
#2408
30K
18.64 mi12:03:022:02:026:3321:05
6:47
#2455
20M
20.00 mi12:12:092:11:096:339:07
6:43
#2418
21M
21.00 mi12:19:192:18:196:357:10
7:10
#2413
35K
21.75 mi12:24:202:23:206:355:01
6:42
#2433
23M
23.00 mi12:33:032:32:036:378:43
6:58
#2444
24M
24.00 mi12:39:552:38:556:376:52
6:52
#2468
40K
24.85 mi12:45:512:44:516:385:56
6:56
#2488
25.2M
25.20 mi12:48:282:47:286:392:37
7:35
#2510
Finish
26.22 mi12:55:152:54:156:396:47
6:39
#2525
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1948185918592350(Top 9%)2256(Top 15%)2256(Top 43%)
10K6.21 mi3.10 mi2160-2122069-2102069-2102429(Top 9%)2324(Top 15%)2324(Top 44%)
15K9.32 mi3.11 mi2198-382108-392108-392350(Top 9%)2256(Top 15%)2256(Top 43%)
20K12.43 mi3.11 mi2323-1252227-1192227-1192729(Top 10%)2609(Top 17%)2609(Top 49%)
Half13.11 mi0.68 mi2329-62233-62233-62607(Top 10%)2501(Top 16%)2501(Top 47%)
25K15.53 mi2.42 mi2408-792308-752308-752850(Top 11%)2721(Top 18%)2721(Top 51%)
30K18.64 mi3.11 mi2455-472349-412349-412875(Top 11%)2725(Top 18%)2725(Top 52%)
20M20.00 mi1.36 mi2418+372314+352314+352319(Top 9%)2202(Top 15%)2202(Top 42%)
21M21.00 mi1.00 mi2413+52312+22312+22903(Top 11%)2720(Top 18%)2720(Top 51%)
35K21.75 mi0.75 mi2433-202330-182330-183547(Top 13%)3281(Top 22%)3281(Top 62%)
23M23.00 mi1.25 mi2444-112338-82338-83552(Top 13%)3291(Top 22%)3291(Top 62%)
24M24.00 mi1.00 mi2468-242360-222360-223983(Top 15%)3631(Top 24%)3631(Top 69%)
40K24.85 mi0.85 mi2488-202377-172377-173502(Top 13%)3181(Top 21%)3181(Top 60%)
25.2M25.20 mi0.35 mi2510-222396-192396-194238(Top 16%)3708(Top 24%)3708(Top 70%)
Finish26.22 mi1.02 mi2525-152408-122408-123254(Top 12%)2926(Top 19%)2926(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2350

Males

2256

M18-39

2256

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2429

Males

2324

M18-39

2324

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2350

Males

2256

M18-39

2256

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2729

Males

2609

M18-39

2609

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2607

Males

2501

M18-39

2501

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2850

Males

2721

M18-39

2721

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2875

Males

2725

M18-39

2725

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2319

Males

2202

M18-39

2202

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2903

Males

2720

M18-39

2720

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3547

Males

3281

M18-39

3281

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3552

Males

3291

M18-39

3291

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3983

Males

3631

M18-39

3631

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3502

Males

3181

M18-39

3181

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4238

Males

3708

M18-39

3708

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3254

Males

2926

M18-39

2926

Passing Analysis

Category:
Athletes Passed
424
Passed By
1001
Net Change
-577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1948
5K → 10K40252-212#1948#2160
10K → 15K4785-38#2160#2198
15K → 20K31156-125#2198#2323
20K → Half713-6#2323#2329
Half → 25K25104-79#2329#2408
25K → 30K4895-47#2408#2455
30K → 20M5720+37#2455#2418
20M → 21M3530+5#2418#2413
21M → 35K1737-20#2413#2433
35K → 23M3647-11#2433#2444
23M → 24M1943-24#2444#2468
24M → 40K2343-20#2468#2488
40K → 25.2M931-22#2488#2510
25.2M → Finish3045-15#2510#2525
TOTALS4241001-577
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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