Boston Marathon logo
BOSTON MARATHON 2023

Jeff Miracle

Bib: 4092•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M40-44)
#0 / 2241
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:13
Rank: #2320
Start → 5K
20:13 | 6:30/mi
10K· 6.21 mi
40:24
Rank: #2507 (-187)
5K → 10K
20:11 | 6:30/mi
15K· 9.32 mi
1:00:49
Rank: #2672 (-165)
10K → 15K
20:25 | 6:34/mi
20K· 12.43 mi
1:21:32
Rank: #2807 (-135)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:25:55
Rank: #2770 (+37)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:42:05
Rank: #2804 (-34)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:03:18
Rank: #2820 (-16)
25K → 30K
21:13 | 6:50/mi
20M
2:12:37
Rank: #2821 (-1)
30K → 20M
9:19 | 6:51/mi
21M
2:20:06
Rank: #2898 (-77)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:25:16
Rank: #2950 (-52)
21M → 35K
5:10 | 6:54/mi
23M
2:34:32
Rank: #3120 (-170)
35K → 23M
9:16 | 7:24/mi
24M
2:42:07
Rank: #3366 (-246)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
2:48:42
Rank: #3541 (-175)
24M → 40K
6:35 | 7:42/mi
25.2M
2:51:35
Rank: #3646 (-105)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
2:59:24
Rank: #3993 (-347)
25.2M → Finish
7:49 | 7:40/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
Time1:25:55
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:33:29
Pace7:08 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:1420:136:3020:13
6:30
-
10K
6.21 mi11:05:2540:246:3020:11
6:30
0:00
15K
9.32 mi11:25:501:00:496:3120:25
6:34
+0:04
20K
12.43 mi11:46:331:21:326:3420:43
6:40
+0:06
Half
13.11 mi11:50:561:25:556:334:23
6:25
-0:15
25K
15.53 mi12:07:061:42:056:3416:10
6:40
+0:15
30K
18.64 mi12:28:192:03:186:3721:13
6:50
+0:10
20M
20.00 mi12:37:382:12:376:389:19
6:51
+0:01
21M
21.00 mi12:45:072:20:066:407:29
7:29
+0:38
35K
21.75 mi12:50:172:25:166:415:10
6:54
-0:35
23M
23.00 mi12:59:332:34:326:439:16
7:24
+0:30
24M
24.00 mi13:07:082:42:076:457:35
7:35
+0:11
40K
24.85 mi13:13:432:48:426:476:35
7:42
+0:07
25.2M
25.20 mi13:16:362:51:356:492:53
8:22
+0:40
Finish
26.22 mi13:24:252:59:246:517:49
7:40
-0:42

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

6:25 /mi

Average Pace

6:51 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:12

36% of race

Time at Steady Pace

1:12:35

40% of race

Time at Slower Pace

41:37

23% of race

Average Pace: 6:51 /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 mi10:45:1420:136:3020:13
6:30
#2320
10K
6.21 mi11:05:2540:246:3020:11
6:30
#2507
15K
9.32 mi11:25:501:00:496:3120:25
6:34
#2672
20K
12.43 mi11:46:331:21:326:3420:43
6:40
#2807
Half
13.11 mi11:50:561:25:556:334:23
6:25
#2770
25K
15.53 mi12:07:061:42:056:3416:10
6:40
#2804
30K
18.64 mi12:28:192:03:186:3721:13
6:50
#2820
20M
20.00 mi12:37:382:12:376:389:19
6:51
#2821
21M
21.00 mi12:45:072:20:066:407:29
7:29
#2898
35K
21.75 mi12:50:172:25:166:415:10
6:54
#2950
23M
23.00 mi12:59:332:34:326:439:16
7:24
#3120
24M
24.00 mi13:07:082:42:076:457:35
7:35
#3366
40K
24.85 mi13:13:432:48:426:476:35
7:42
#3541
25.2M
25.20 mi13:16:362:51:356:492:53
8:22
#3646
Finish
26.22 mi13:24:252:59:246:517:49
7:40
#3993
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2320221222123076(Top 12%)2934(Top 19%)2934(Top 131%)
10K6.21 mi3.10 mi2507-1872390-1782390-1782771(Top 10%)2649(Top 17%)2649(Top 118%)
15K9.32 mi3.11 mi2672-1652551-1612551-1613076(Top 12%)2934(Top 19%)2934(Top 131%)
20K12.43 mi3.11 mi2807-1352683-1322683-1323327(Top 12%)3157(Top 21%)3157(Top 141%)
Half13.11 mi0.68 mi2770+372649+342649+342398(Top 9%)2303(Top 15%)2303(Top 103%)
25K15.53 mi2.42 mi2804-342681-322681-323139(Top 12%)2994(Top 20%)2994(Top 134%)
30K18.64 mi3.11 mi2820-162696-152696-153192(Top 12%)3008(Top 20%)3008(Top 134%)
20M20.00 mi1.36 mi2821-12697-12697-13177(Top 12%)2983(Top 20%)2983(Top 133%)
21M21.00 mi1.00 mi2898-772766-692766-694474(Top 17%)4076(Top 27%)4076(Top 182%)
35K21.75 mi0.75 mi2950-522810-442810-444772(Top 18%)4308(Top 28%)4308(Top 192%)
23M23.00 mi1.25 mi3120-1702960-1502960-1505836(Top 22%)5061(Top 33%)5061(Top 226%)
24M24.00 mi1.00 mi3366-2463185-2253185-2258224(Top 31%)6429(Top 42%)6429(Top 287%)
40K24.85 mi0.85 mi3541-1753342-1573342-1577909(Top 30%)6172(Top 41%)6172(Top 275%)
25.2M25.20 mi0.35 mi3646-1053431-893431-898550(Top 32%)6451(Top 43%)6451(Top 288%)
Finish26.22 mi1.02 mi3993-3473737-3063737-3069722(Top 37%)7114(Top 47%)7114(Top 317%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3076

Males

2934

M40-44

2934

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2771

Males

2649

M40-44

2649

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3076

Males

2934

M40-44

2934

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3327

Males

3157

M40-44

3157

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2398

Males

2303

M40-44

2303

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3139

Males

2994

M40-44

2994

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3192

Males

3008

M40-44

3008

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3177

Males

2983

M40-44

2983

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4474

Males

4076

M40-44

4076

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4772

Males

4308

M40-44

4308

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5836

Males

5061

M40-44

5061

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8224

Males

6429

M40-44

6429

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7909

Males

6172

M40-44

6172

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8550

Males

6451

M40-44

6451

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9722

Males

7114

M40-44

7114

Passing Analysis

Category:
Athletes Passed
398
Passed By
2071
Net Change
-1673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2320
5K → 10K66253-187#2320#2507
10K → 15K21186-165#2507#2672
15K → 20K37172-135#2672#2807
20K → Half403+37#2807#2770
Half → 25K4276-34#2770#2804
25K → 30K6682-16#2804#2820
30K → 20M3940-1#2820#2821
20M → 21M1895-77#2821#2898
21M → 35K2072-52#2898#2950
35K → 23M18188-170#2950#3120
23M → 24M9255-246#3120#3366
24M → 40K11186-175#3366#3541
40K → 25.2M6111-105#3541#3646
25.2M → Finish5352-347#3646#3993
TOTALS3982071-1673
📊

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