Boston Marathon logo
BOSTON MARATHON 2023

Eric Boykin

Bib: 5989•M

GA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M45-49)
#0 / 2252
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:13
Rank: #4919
Start → 5K
21:13 | 6:50/mi
10K· 6.21 mi
41:56
Rank: #4451 (+468)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:33
Rank: #4110 (+341)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:23:18
Rank: #3892 (+218)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:27:47
Rank: #3853 (+39)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:23
Rank: #3952 (-99)
Half → 25K
16:36 | 6:51/mi
30K· 18.64 mi
2:04:53
Rank: #3429 (+523)
25K → 30K
20:30 | 6:36/mi
20M
2:13:52
Rank: #3232 (+197)
30K → 20M
8:59 | 6:37/mi
21M
2:20:41
Rank: #3084 (+148)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:25:19
Rank: #2961 (+123)
21M → 35K
4:38 | 6:12/mi
23M
2:33:31
Rank: #2816 (+145)
35K → 23M
8:12 | 6:33/mi
24M
2:39:46
Rank: #2682 (+134)
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:45:15
Rank: #2589 (+93)
24M → 40K
5:29 | 6:25/mi
25.2M
2:47:35
Rank: #2542 (+47)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:53:41
Rank: #2404 (+138)
25.2M → Finish
6:06 | 5:59/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
Distance13.11 mi
Time1:27:47
Pace6:42 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:54
Pace6:33 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5321:136:5021:13
6:50
-
10K
6.21 mi10:44:3641:566:4520:43
6:40
-0:10
15K
9.32 mi11:05:131:02:336:4320:37
6:38
-0:02
20K
12.43 mi11:25:581:23:186:4220:45
6:41
+0:03
Half
13.11 mi11:30:271:27:476:424:29
6:34
-0:07
25K
15.53 mi11:47:031:44:236:4316:36
6:51
+0:17
30K
18.64 mi12:07:332:04:536:4220:30
6:36
-0:15
20M
20.00 mi12:16:322:13:526:428:59
6:37
+0:01
21M
21.00 mi12:23:212:20:416:426:49
6:49
+0:12
35K
21.75 mi12:27:592:25:196:414:38
6:12
-0:37
23M
23.00 mi12:36:112:33:316:408:12
6:33
+0:21
24M
24.00 mi12:42:262:39:466:396:15
6:15
-0:18
40K
24.85 mi12:47:552:45:156:395:29
6:25
+0:10
25.2M
25.20 mi12:50:152:47:356:392:20
6:46
+0:21
Finish
26.22 mi12:56:212:53:416:386:06
5:59
-0:47

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

5:59 /mi

Average Pace

6:38 /mi

Slowest Pace

6:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:09

20% of race

Time at Steady Pace

2:18:32

80% 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 mi10:23:5321:136:5021:13
6:50
#4919
10K
6.21 mi10:44:3641:566:4520:43
6:40
#4451
15K
9.32 mi11:05:131:02:336:4320:37
6:38
#4110
20K
12.43 mi11:25:581:23:186:4220:45
6:41
#3892
Half
13.11 mi11:30:271:27:476:424:29
6:34
#3853
25K
15.53 mi11:47:031:44:236:4316:36
6:51
#3952
30K
18.64 mi12:07:332:04:536:4220:30
6:36
#3429
20M
20.00 mi12:16:322:13:526:428:59
6:37
#3232
21M
21.00 mi12:23:212:20:416:426:49
6:49
#3084
35K
21.75 mi12:27:592:25:196:414:38
6:12
#2961
23M
23.00 mi12:36:112:33:316:408:12
6:33
#2816
24M
24.00 mi12:42:262:39:466:396:15
6:15
#2682
40K
24.85 mi12:47:552:45:156:395:29
6:25
#2589
25.2M
25.20 mi12:50:152:47:356:392:20
6:46
#2542
Finish
26.22 mi12:56:212:53:416:386:06
5:59
#2404
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4919456545653562(Top 13%)3366(Top 22%)3366(Top 149%)
10K6.21 mi3.10 mi4451+4684162+4034162+4034014(Top 15%)3773(Top 25%)3773(Top 168%)
15K9.32 mi3.11 mi4110+3413861+3013861+3013562(Top 13%)3366(Top 22%)3366(Top 149%)
20K12.43 mi3.11 mi3892+2183665+1963665+1963378(Top 13%)3201(Top 21%)3201(Top 142%)
Half13.11 mi0.68 mi3853+393634+313634+313178(Top 12%)3028(Top 20%)3028(Top 134%)
25K15.53 mi2.42 mi3952-993720-863720-864519(Top 17%)4206(Top 28%)4206(Top 187%)
30K18.64 mi3.11 mi3429+5233247+4733247+4731948(Top 7%)1862(Top 12%)1862(Top 83%)
20M20.00 mi1.36 mi3232+1973069+1783069+1781923(Top 7%)1835(Top 12%)1835(Top 81%)
21M21.00 mi1.00 mi3084+1482929+1402929+1401476(Top 6%)1408(Top 9%)1408(Top 63%)
35K21.75 mi0.75 mi2961+1232819+1102819+1101250(Top 5%)1193(Top 8%)1193(Top 53%)
23M23.00 mi1.25 mi2816+1452683+1362683+1361618(Top 6%)1538(Top 10%)1538(Top 68%)
24M24.00 mi1.00 mi2682+1342559+1242559+1241214(Top 5%)1151(Top 8%)1151(Top 51%)
40K24.85 mi0.85 mi2589+932472+872472+871261(Top 5%)1189(Top 8%)1189(Top 53%)
25.2M25.20 mi0.35 mi2542+472426+462426+461103(Top 4%)1050(Top 7%)1050(Top 47%)
Finish26.22 mi1.02 mi2404+1382295+1312295+131707(Top 3%)676(Top 4%)676(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3562

Males

3366

M45-49

3366

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4014

Males

3773

M45-49

3773

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3562

Males

3366

M45-49

3366

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3378

Males

3201

M45-49

3201

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3178

Males

3028

M45-49

3028

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4519

Males

4206

M45-49

4206

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1948

Males

1862

M45-49

1862

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1923

Males

1835

M45-49

1835

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1476

Males

1408

M45-49

1408

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1250

Males

1193

M45-49

1193

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1618

Males

1538

M45-49

1538

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1214

Males

1151

M45-49

1151

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1261

Males

1189

M45-49

1189

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1103

Males

1050

M45-49

1050

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

707

Males

676

M45-49

676

Passing Analysis

Category:
Athletes Passed
2787
Passed By
272
Net Change
+2515
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4919
5K → 10K52052+468#4919#4451
10K → 15K35817+341#4451#4110
15K → 20K24729+218#4110#3892
20K → Half467+39#3892#3853
Half → 25K47146-99#3853#3952
25K → 30K5230+523#3952#3429
30K → 20M2025+197#3429#3232
20M → 21M1491+148#3232#3084
21M → 35K1241+123#3084#2961
35K → 23M1483+145#2961#2816
23M → 24M1340+134#2816#2682
24M → 40K1007+93#2682#2589
40K → 25.2M481+47#2589#2542
25.2M → Finish1413+138#2542#2404
TOTALS2787272+2515
📊

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