Boston Marathon logo
BOSTON MARATHON 2023

Tomas Vergara

Bib: 795•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:20
Rank: #1172
Start → 5K
19:20 | 6:13/mi
10K· 6.21 mi
38:30
Rank: #1187 (-15)
5K → 10K
19:10 | 6:10/mi
15K· 9.32 mi
57:35
Rank: #1144 (+43)
10K → 15K
19:05 | 6:09/mi
20K· 12.43 mi
1:16:54
Rank: #1127 (+17)
15K → 20K
19:19 | 6:13/mi
Half· 13.11 mi
1:21:06
Rank: #1128 (-1)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:36:13
Rank: #1108 (+20)
Half → 25K
15:07 | 6:14/mi
30K· 18.64 mi
1:56:05
Rank: #1105 (+3)
25K → 30K
19:52 | 6:24/mi
20M
2:04:45
Rank: #1084 (+21)
30K → 20M
8:40 | 6:23/mi
21M
2:11:23
Rank: #1057 (+27)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:15:54
Rank: #1035 (+22)
21M → 35K
4:31 | 6:02/mi
23M
2:23:50
Rank: #1009 (+26)
35K → 23M
7:56 | 6:20/mi
24M
2:30:20
Rank: #1037 (-28)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:35:57
Rank: #1042 (-5)
24M → 40K
5:37 | 6:34/mi
25.2M
2:38:22
Rank: #1049 (-7)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:44:35
Rank: #1024 (+25)
25.2M → Finish
6:13 | 6:06/mi

Course Map & Elevation

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
Time1:21:06
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:23:29
Pace6:22 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3219:206:1319:20
6:13
-
10K
6.21 mi10:38:4238:306:1219:10
6:10
-0:03
15K
9.32 mi10:57:4757:356:1119:05
6:09
-0:01
20K
12.43 mi11:17:061:16:546:1119:19
6:13
+0:04
Half
13.11 mi11:21:181:21:066:114:12
6:09
-0:04
25K
15.53 mi11:36:251:36:136:1215:07
6:14
+0:05
30K
18.64 mi11:56:171:56:056:1419:52
6:24
+0:10
20M
20.00 mi12:04:572:04:456:148:40
6:23
-0:01
21M
21.00 mi12:11:352:11:236:156:38
6:38
+0:15
35K
21.75 mi12:16:062:15:546:154:31
6:02
-0:36
23M
23.00 mi12:24:022:23:506:157:56
6:20
+0:18
24M
24.00 mi12:30:322:30:206:166:30
6:30
+0:10
40K
24.85 mi12:36:092:35:576:165:37
6:34
+0:04
25.2M
25.20 mi12:38:342:38:226:172:25
7:00
+0:26
Finish
26.22 mi12:44:472:44:356:176:13
6:06
-0:54

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

6:02 /mi

Average Pace

6:17 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:42:10

99% of race

Time at Steady Pace

2:25

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:19:3219:206:1319:20
6:13
#1172
10K
6.21 mi10:38:4238:306:1219:10
6:10
#1187
15K
9.32 mi10:57:4757:356:1119:05
6:09
#1144
20K
12.43 mi11:17:061:16:546:1119:19
6:13
#1127
Half
13.11 mi11:21:181:21:066:114:12
6:09
#1128
25K
15.53 mi11:36:251:36:136:1215:07
6:14
#1108
30K
18.64 mi11:56:171:56:056:1419:52
6:24
#1105
20M
20.00 mi12:04:572:04:456:148:40
6:23
#1084
21M
21.00 mi12:11:352:11:236:156:38
6:38
#1057
35K
21.75 mi12:16:062:15:546:154:31
6:02
#1035
23M
23.00 mi12:24:022:23:506:157:56
6:20
#1009
24M
24.00 mi12:30:322:30:206:166:30
6:30
#1037
40K
24.85 mi12:36:092:35:576:165:37
6:34
#1042
25.2M
25.20 mi12:38:342:38:226:172:25
7:00
#1049
Finish
26.22 mi12:44:472:44:356:176:13
6:06
#1024
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1172111011101077(Top 4%)1024(Top 7%)1024(Top 19%)
10K6.21 mi3.10 mi1187-151124-141124-141226(Top 5%)1163(Top 8%)1163(Top 22%)
15K9.32 mi3.11 mi1144+431084+401084+401077(Top 4%)1024(Top 7%)1024(Top 19%)
20K12.43 mi3.11 mi1127+171072+121072+121099(Top 4%)1048(Top 7%)1048(Top 20%)
Half13.11 mi0.68 mi1128-11073-11073-11178(Top 4%)1127(Top 7%)1127(Top 21%)
25K15.53 mi2.42 mi1108+201053+201053+201090(Top 4%)1038(Top 7%)1038(Top 20%)
30K18.64 mi3.11 mi1105+3105310531190(Top 4%)1134(Top 7%)1134(Top 21%)
20M20.00 mi1.36 mi1084+211032+211032+211059(Top 4%)1014(Top 7%)1014(Top 19%)
21M21.00 mi1.00 mi1057+271006+261006+26928(Top 3%)880(Top 6%)880(Top 17%)
35K21.75 mi0.75 mi1035+22985+21985+21779(Top 3%)738(Top 5%)738(Top 14%)
23M23.00 mi1.25 mi1009+26960+25960+25922(Top 3%)877(Top 6%)877(Top 17%)
24M24.00 mi1.00 mi1037-28987-27987-272069(Top 8%)1939(Top 13%)1939(Top 37%)
40K24.85 mi0.85 mi1042-5990-3990-31770(Top 7%)1665(Top 11%)1665(Top 32%)
25.2M25.20 mi0.35 mi1049-7997-7997-71719(Top 6%)1612(Top 11%)1612(Top 31%)
Finish26.22 mi1.02 mi1024+25975+22975+22969(Top 4%)923(Top 6%)923(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1077

Males

1024

M18-39

1024

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1226

Males

1163

M18-39

1163

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1077

Males

1024

M18-39

1024

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1099

Males

1048

M18-39

1048

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1178

Males

1127

M18-39

1127

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1090

Males

1038

M18-39

1038

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1190

Males

1134

M18-39

1134

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1059

Males

1014

M18-39

1014

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

928

Males

880

M18-39

880

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

779

Males

738

M18-39

738

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

922

Males

877

M18-39

877

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2069

Males

1939

M18-39

1939

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1770

Males

1665

M18-39

1665

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1719

Males

1612

M18-39

1612

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

969

Males

923

M18-39

923

Passing Analysis

Category:
Athletes Passed
408
Passed By
260
Net Change
+148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1172
5K → 10K5065-15#1172#1187
10K → 15K6219+43#1187#1144
15K → 20K4124+17#1144#1127
20K → Half34-1#1127#1128
Half → 25K3717+20#1128#1108
25K → 30K3734+3#1108#1105
30K → 20M298+21#1105#1084
20M → 21M358+27#1084#1057
21M → 35K231+22#1057#1035
35K → 23M293+26#1035#1009
23M → 24M836-28#1009#1037
24M → 40K1621-5#1037#1042
40K → 25.2M613-7#1042#1049
25.2M → Finish327+25#1049#1024
TOTALS408260+148
📊

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