Boston Marathon logo
BOSTON MARATHON 2023

Jeremy Davis

Bib: 8050•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:21
Rank: #5315
Start → 5K
21:21 | 6:52/mi
10K· 6.21 mi
42:49
Rank: #5744 (-429)
5K → 10K
21:28 | 6:55/mi
15K· 9.32 mi
1:04:12
Rank: #5758 (-14)
10K → 15K
21:23 | 6:53/mi
20K· 12.43 mi
1:25:40
Rank: #5665 (+93)
15K → 20K
21:28 | 6:55/mi
Half· 13.11 mi
1:30:23
Rank: #5677 (-12)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:47:05
Rank: #5535 (+142)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:08:40
Rank: #5194 (+341)
25K → 30K
21:35 | 6:57/mi
20M
2:18:06
Rank: #5018 (+176)
30K → 20M
9:26 | 6:57/mi
21M
2:25:14
Rank: #4842 (+176)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:30:14
Rank: #4767 (+75)
21M → 35K
5:00 | 6:41/mi
23M
2:38:46
Rank: #4609 (+158)
35K → 23M
8:32 | 6:49/mi
24M
2:45:28
Rank: #4518 (+91)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:51:11
Rank: #4403 (+115)
24M → 40K
5:43 | 6:41/mi
25.2M
2:53:39
Rank: #4345 (+58)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:59:57
Rank: #4180 (+165)
25.2M → Finish
6:18 | 6:11/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
Time1:30:23
Pace6:54 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:34
Pace6:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2721:216:5221:21
6:52
-
10K
6.21 mi11:07:5542:496:5321:28
6:55
+0:03
15K
9.32 mi11:29:181:04:126:5321:23
6:53
-0:02
20K
12.43 mi11:50:461:25:406:5421:28
6:55
+0:02
Half
13.11 mi11:55:291:30:236:544:43
6:55
0:00
25K
15.53 mi12:12:111:47:056:5416:42
6:53
-0:02
30K
18.64 mi12:33:462:08:406:5421:35
6:57
+0:04
20M
20.00 mi12:43:122:18:066:549:26
6:57
0:00
21M
21.00 mi12:50:202:25:146:557:08
7:08
+0:11
35K
21.75 mi12:55:202:30:146:545:00
6:41
-0:27
23M
23.00 mi13:03:522:38:466:548:32
6:49
+0:08
24M
24.00 mi13:10:342:45:286:546:42
6:42
-0:07
40K
24.85 mi13:16:172:51:116:535:43
6:41
-0:01
25.2M
25.20 mi13:18:452:53:396:532:28
7:09
+0:28
Finish
26.22 mi13:25:032:59:576:526:18
6:11
-0:58

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

6:11 /mi

Average Pace

6:52 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:43

13% of race

Time at Steady Pace

2:36:14

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:46:2721:216:5221:21
6:52
#5315
10K
6.21 mi11:07:5542:496:5321:28
6:55
#5744
15K
9.32 mi11:29:181:04:126:5321:23
6:53
#5758
20K
12.43 mi11:50:461:25:406:5421:28
6:55
#5665
Half
13.11 mi11:55:291:30:236:544:43
6:55
#5677
25K
15.53 mi12:12:111:47:056:5416:42
6:53
#5535
30K
18.64 mi12:33:462:08:406:5421:35
6:57
#5194
20M
20.00 mi12:43:122:18:066:549:26
6:57
#5018
21M
21.00 mi12:50:202:25:146:557:08
7:08
#4842
35K
21.75 mi12:55:202:30:146:545:00
6:41
#4767
23M
23.00 mi13:03:522:38:466:548:32
6:49
#4609
24M
24.00 mi13:10:342:45:286:546:42
6:42
#4518
40K
24.85 mi13:16:172:51:116:535:43
6:41
#4403
25.2M
25.20 mi13:18:452:53:396:532:28
7:09
#4345
Finish
26.22 mi13:25:032:59:576:526:18
6:11
#4180
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5315491349135814(Top 22%)5312(Top 35%)5312(Top 101%)
10K6.21 mi3.10 mi5744-4295277-3645277-3646179(Top 23%)5601(Top 37%)5601(Top 106%)
15K9.32 mi3.11 mi5758-145285-85285-85814(Top 22%)5312(Top 35%)5312(Top 101%)
20K12.43 mi3.11 mi5665+935216+695216+695400(Top 20%)4983(Top 33%)4983(Top 94%)
Half13.11 mi0.68 mi5677-125229-135229-136010(Top 23%)5480(Top 36%)5480(Top 104%)
25K15.53 mi2.42 mi5535+1425103+1265103+1264852(Top 18%)4491(Top 30%)4491(Top 85%)
30K18.64 mi3.11 mi5194+3414806+2974806+2973990(Top 15%)3729(Top 25%)3729(Top 71%)
20M20.00 mi1.36 mi5018+1764651+1554651+1553677(Top 14%)3429(Top 23%)3429(Top 65%)
21M21.00 mi1.00 mi4842+1764498+1534498+1532786(Top 10%)2620(Top 17%)2620(Top 50%)
35K21.75 mi0.75 mi4767+754432+664432+663486(Top 13%)3238(Top 21%)3238(Top 61%)
23M23.00 mi1.25 mi4609+1584288+1444288+1442760(Top 10%)2586(Top 17%)2586(Top 49%)
24M24.00 mi1.00 mi4518+914211+774211+773124(Top 12%)2899(Top 19%)2899(Top 55%)
40K24.85 mi0.85 mi4403+1154110+1014110+1012312(Top 9%)2150(Top 14%)2150(Top 41%)
25.2M25.20 mi0.35 mi4345+584054+564054+562372(Top 9%)2205(Top 15%)2205(Top 42%)
Finish26.22 mi1.02 mi4180+1653907+1473907+1471235(Top 5%)1176(Top 8%)1176(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5814

Males

5312

M18-39

5312

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6179

Males

5601

M18-39

5601

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5814

Males

5312

M18-39

5312

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5400

Males

4983

M18-39

4983

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6010

Males

5480

M18-39

5480

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4852

Males

4491

M18-39

4491

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3990

Males

3729

M18-39

3729

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3677

Males

3429

M18-39

3429

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2786

Males

2620

M18-39

2620

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3486

Males

3238

M18-39

3238

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2760

Males

2586

M18-39

2586

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3124

Males

2899

M18-39

2899

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2312

Males

2150

M18-39

2150

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2372

Males

2205

M18-39

2205

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1235

Males

1176

M18-39

1176

Passing Analysis

Category:
Athletes Passed
1916
Passed By
781
Net Change
+1135
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5315
5K → 10K71500-429#5315#5744
10K → 15K108122-14#5744#5758
15K → 20K15057+93#5758#5665
20K → Half1527-12#5665#5677
Half → 25K16018+142#5677#5535
25K → 30K35312+341#5535#5194
30K → 20M1826+176#5194#5018
20M → 21M1793+176#5018#4842
21M → 35K8914+75#4842#4767
35K → 23M1646+158#4767#4609
23M → 24M987+91#4609#4518
24M → 40K1194+115#4518#4403
40K → 25.2M635+58#4403#4345
25.2M → Finish1650+165#4345#4180
TOTALS1916781+1135
📊

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