Boston Marathon logo
BOSTON MARATHON 2023

Gabriel Tom

Bib: 2949•M

HI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Division (M18-39)
#0 / 5285
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:06
Rank: #2114
Start → 5K
20:06 | 6:28/mi
10K· 6.21 mi
39:44
Rank: #1959 (+155)
5K → 10K
19:38 | 6:19/mi
15K· 9.32 mi
59:09
Rank: #1771 (+188)
10K → 15K
19:25 | 6:15/mi
20K· 12.43 mi
1:18:42
Rank: #1676 (+95)
15K → 20K
19:33 | 6:18/mi
Half· 13.11 mi
1:22:54
Rank: #1641 (+35)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:38:12
Rank: #1574 (+67)
Half → 25K
15:18 | 6:19/mi
30K· 18.64 mi
1:58:09
Rank: #1493 (+81)
25K → 30K
19:57 | 6:25/mi
20M
2:07:02
Rank: #1494 (-1)
30K → 20M
8:53 | 6:32/mi
21M
2:14:17
Rank: #1552 (-58)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:19:13
Rank: #1575 (-23)
21M → 35K
4:56 | 6:36/mi
23M
2:27:46
Rank: #1622 (-47)
35K → 23M
8:33 | 6:50/mi
24M
2:34:35
Rank: #1675 (-53)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:40:47
Rank: #1745 (-70)
24M → 40K
6:12 | 7:15/mi
25.2M
2:43:24
Rank: #1779 (-34)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:50:44
Rank: #1894 (-115)
25.2M → Finish
7:20 | 7:12/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
Time1:22:54
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:27:50
Pace6:42 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5820:066:2820:06
6:28
-
10K
6.21 mi10:40:3639:446:2419:38
6:19
-0:09
15K
9.32 mi11:00:0159:096:2119:25
6:15
-0:04
20K
12.43 mi11:19:341:18:426:2019:33
6:18
+0:03
Half
13.11 mi11:23:461:22:546:194:12
6:09
-0:09
25K
15.53 mi11:39:041:38:126:1915:18
6:19
+0:10
30K
18.64 mi11:59:011:58:096:2019:57
6:25
+0:06
20M
20.00 mi12:07:542:07:026:218:53
6:32
+0:07
21M
21.00 mi12:15:092:14:176:247:15
7:15
+0:43
35K
21.75 mi12:20:052:19:136:244:56
6:36
-0:39
23M
23.00 mi12:28:382:27:466:258:33
6:50
+0:14
24M
24.00 mi12:35:272:34:356:266:49
6:49
-0:01
40K
24.85 mi12:41:392:40:476:286:12
7:15
+0:26
25.2M
25.20 mi12:44:162:43:246:292:37
7:35
+0:20
Finish
26.22 mi12:51:362:50:446:317:20
7:12
-0:23

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

6:09 /mi

Average Pace

6:31 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:06

46% of race

Time at Steady Pace

53:52

32% of race

Time at Slower Pace

38:46

23% of race

Average Pace: 6:31 /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 mi10:20:5820:066:2820:06
6:28
#2114
10K
6.21 mi10:40:3639:446:2419:38
6:19
#1959
15K
9.32 mi11:00:0159:096:2119:25
6:15
#1771
20K
12.43 mi11:19:341:18:426:2019:33
6:18
#1676
Half
13.11 mi11:23:461:22:546:194:12
6:09
#1641
25K
15.53 mi11:39:041:38:126:1915:18
6:19
#1574
30K
18.64 mi11:59:011:58:096:2019:57
6:25
#1493
20M
20.00 mi12:07:542:07:026:218:53
6:32
#1494
21M
21.00 mi12:15:092:14:176:247:15
7:15
#1552
35K
21.75 mi12:20:052:19:136:244:56
6:36
#1575
23M
23.00 mi12:28:382:27:466:258:33
6:50
#1622
24M
24.00 mi12:35:272:34:356:266:49
6:49
#1675
40K
24.85 mi12:41:392:40:476:286:12
7:15
#1745
25.2M
25.20 mi12:44:162:43:246:292:37
7:35
#1779
Finish
26.22 mi12:51:362:50:446:317:20
7:12
#1894
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2114201720171436(Top 5%)1369(Top 9%)1369(Top 26%)
10K6.21 mi3.10 mi1959+1551876+1411876+1411842(Top 7%)1763(Top 12%)1763(Top 33%)
15K9.32 mi3.11 mi1771+1881693+1831693+1831436(Top 5%)1369(Top 9%)1369(Top 26%)
20K12.43 mi3.11 mi1676+951605+881605+881355(Top 5%)1295(Top 9%)1295(Top 25%)
Half13.11 mi0.68 mi1641+351570+351570+351220(Top 5%)1169(Top 8%)1169(Top 22%)
25K15.53 mi2.42 mi1574+671506+641506+641384(Top 5%)1321(Top 9%)1321(Top 25%)
30K18.64 mi3.11 mi1493+811427+791427+791286(Top 5%)1228(Top 8%)1228(Top 23%)
20M20.00 mi1.36 mi1494-1142714271603(Top 6%)1531(Top 10%)1531(Top 29%)
21M21.00 mi1.00 mi1552-581484-571484-573317(Top 12%)3087(Top 20%)3087(Top 58%)
35K21.75 mi0.75 mi1575-231506-221506-222911(Top 11%)2722(Top 18%)2722(Top 52%)
23M23.00 mi1.25 mi1622-471552-461552-462782(Top 10%)2598(Top 17%)2598(Top 49%)
24M24.00 mi1.00 mi1675-531602-501602-503707(Top 14%)3393(Top 22%)3393(Top 64%)
40K24.85 mi0.85 mi1745-701669-671669-675115(Top 19%)4411(Top 29%)4411(Top 83%)
25.2M25.20 mi0.35 mi1779-341700-311700-314224(Top 16%)3694(Top 24%)3694(Top 70%)
Finish26.22 mi1.02 mi1894-1151811-1111811-1116337(Top 24%)5145(Top 34%)5145(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1436

Males

1369

M18-39

1369

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1842

Males

1763

M18-39

1763

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1436

Males

1369

M18-39

1369

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1355

Males

1295

M18-39

1295

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1220

Males

1169

M18-39

1169

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1384

Males

1321

M18-39

1321

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1286

Males

1228

M18-39

1228

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1603

Males

1531

M18-39

1531

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3317

Males

3087

M18-39

3087

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2911

Males

2722

M18-39

2722

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2782

Males

2598

M18-39

2598

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3707

Males

3393

M18-39

3393

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5115

Males

4411

M18-39

4411

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4224

Males

3694

M18-39

3694

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6337

Males

5145

M18-39

5145

Passing Analysis

Category:
Athletes Passed
782
Passed By
562
Net Change
+220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2114
5K → 10K19843+155#2114#1959
10K → 15K1946+188#1959#1771
15K → 20K10510+95#1771#1676
20K → Half350+35#1676#1641
Half → 25K769+67#1641#1574
25K → 30K9514+81#1574#1493
30K → 20M2122-1#1493#1494
20M → 21M1169-58#1494#1552
21M → 35K427-23#1552#1575
35K → 23M1360-47#1575#1622
23M → 24M1164-53#1622#1675
24M → 40K1080-70#1675#1745
40K → 25.2M640-34#1745#1779
25.2M → Finish3118-115#1779#1894
TOTALS782562+220
📊

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