Boston Marathon logo
BOSTON MARATHON 2023

Christopher Rubini

Bib: 5043 M GB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:46/mi
21:00
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:38/mi
41:36
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:39/mi
1:02:15
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:39/mi
1:22:55
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:36/mi
1:27:25
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:38/mi
1:43:30
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:38/mi
2:04:06
↑ 181↓ 1480.2%
138 ft elev
20M
6:32/mi
2:12:59
↑ 64↓ 500.2%
148 ft elev
21M
6:48/mi
2:19:47
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:14/mi
2:24:27
↑ 17↓ 861.7%
156 ft elev
23M
6:31/mi
2:32:36
↑ 23↓ 630.6%
116 ft elev
24M
6:23/mi
2:38:59
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:33/mi
2:44:35
↓ 200.3%
20 ft elev
25.2M
6:55/mi
2:46:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:26/mi
2:53:31
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:27:256:40 /mi+1.5%
2nd Half
1:26:066:34 /mi✓ faster
Negative split — 1.5% faster in the second half
Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4621:006:4621:00
6:46
-
10K
6.21 mi10:44:2241:366:4220:36
6:38
-0:08
15K
9.32 mi11:05:011:02:156:4120:39
6:39
+0:01
20K
12.43 mi11:25:411:22:556:4020:40
6:39
0:00
Half
13.11 mi11:30:111:27:256:404:30
6:36
-0:03
25K
15.53 mi11:46:161:43:306:4016:05
6:38
+0:02
30K
18.64 mi12:06:522:04:066:3920:36
6:38
0:00
20M
20.00 mi12:15:452:12:596:398:53
6:32
-0:06
21M
21.00 mi12:22:332:19:476:396:48
6:48
+0:16
35K
21.75 mi12:27:132:24:276:394:40
6:14
-0:34
23M
23.00 mi12:35:222:32:366:388:09
6:31
+0:17
24M
24.00 mi12:41:452:38:596:376:23
6:23
-0:08
40K
24.85 mi12:47:212:44:356:375:36
6:33
+0:10
25.2M
25.20 mi12:49:442:46:586:382:23
6:55
+0:22
Finish
26.22 mi12:56:172:53:316:376:33
6:26
-0:29

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

6:14 /mi

Average Pace

6:37 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:08

99% of race

Time at Steady Pace

2:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:37 /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 mi10:23:4621:006:4621:00
6:46
#4220
10K
6.21 mi10:44:2241:366:4220:36
6:38
#3909
15K
9.32 mi11:05:011:02:156:4120:39
6:39
#3791
20K
12.43 mi11:25:411:22:556:4020:40
6:39
#3614
Half
13.11 mi11:30:111:27:256:404:30
6:36
#3598
25K
15.53 mi11:46:161:43:306:4016:05
6:38
#3439
30K
18.64 mi12:06:522:04:066:3920:36
6:38
#3086
20M
20.00 mi12:15:452:12:596:398:53
6:32
#2930
21M
21.00 mi12:22:332:19:476:396:48
6:48
#2785
35K
21.75 mi12:27:132:24:276:394:40
6:14
#2693
23M
23.00 mi12:35:222:32:366:388:09
6:31
#2550
24M
24.00 mi12:41:452:38:596:376:23
6:23
#2480
40K
24.85 mi12:47:212:44:356:375:36
6:33
#2429
25.2M
25.20 mi12:49:442:46:586:382:23
6:55
#2397
Finish
26.22 mi12:56:172:53:316:376:33
6:26
#2370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi422039493949365234433443
10K6.21 mi3.10 mi3909+3113679+2703679+270370334983498
15K9.32 mi3.11 mi3791+1183575+1043575+104365234433443
20K12.43 mi3.11 mi3614+1773420+1553420+155318030213021
Half13.11 mi0.68 mi3598+163406+143406+14333031613161
25K15.53 mi2.42 mi3439+1593263+1433263+143289927692769
30K18.64 mi3.11 mi3086+3532940+3232940+323210120082008
20M20.00 mi1.36 mi2930+1562799+1412799+141161215401540
21M21.00 mi1.00 mi2785+1452663+1362663+136142313571357
35K21.75 mi0.75 mi2693+922574+892574+89139013201320
23M23.00 mi1.25 mi2550+1432438+1362438+136146713941394
24M24.00 mi1.00 mi2480+702372+662372+66163515481548
40K24.85 mi0.85 mi2429+512323+492323+49173716351635
25.2M25.20 mi0.35 mi2397+322292+312292+31148614031403
Finish26.22 mi1.02 mi2370+272266+262266+26212519701970

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3652

Males

3443

M18-39

3443

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3703

Males

3498

M18-39

3498

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3652

Males

3443

M18-39

3443

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3180

Males

3021

M18-39

3021

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3330

Males

3161

M18-39

3161

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

2899

Males

2769

M18-39

2769

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2101

Males

2008

M18-39

2008

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1612

Males

1540

M18-39

1540

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1423

Males

1357

M18-39

1357

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1390

Males

1320

M18-39

1320

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1467

Males

1394

M18-39

1394

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1635

Males

1548

M18-39

1548

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1737

Males

1635

M18-39

1635

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1486

Males

1403

M18-39

1403

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2125

Males

1970

M18-39

1970

Passing Analysis

Category:
Athletes Passed
2109
Passed By
259
Net Change
+1850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4220
5K → 10K415104+311#4220#3909
10K → 15K18971+118#3909#3791
15K → 20K20225+177#3791#3614
20K → Half2913+16#3614#3598
Half → 25K16910+159#3598#3439
25K → 30K3541+353#3439#3086
30K → 20M1582+156#3086#2930
20M → 21M1461+145#2930#2785
21M → 35K920+92#2785#2693
35K → 23M1496+143#2693#2550
23M → 24M733+70#2550#2480
24M → 40K543+51#2480#2429
40K → 25.2M353+32#2429#2397
25.2M → Finish4417+27#2397#2370
TOTALS2109259+1850

Passing Charts

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