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BOSTON MARATHON 2023

Jonathan Ralston

Bib: 4069•M

TX

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0:00
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 34%
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
21:05
Rank: #4559
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
41:59
Rank: #4574 (-15)
5K → 10K
20:54 | 6:44/mi
15K· 9.32 mi
1:02:58
Rank: #4569 (+5)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:23:47
Rank: #4275 (+294)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:28:20
Rank: #4255 (+20)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:34
Rank: #4066 (+189)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
2:05:59
Rank: #3938 (+128)
25K → 30K
21:25 | 6:54/mi
20M
2:15:39
Rank: #3999 (-61)
30K → 20M
9:40 | 7:07/mi
21M
2:23:35
Rank: #4204 (-205)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:28:54
Rank: #4279 (-75)
21M → 35K
5:19 | 7:06/mi
23M
2:39:45
Rank: #4892 (-613)
35K → 23M
10:51 | 8:40/mi
24M
2:48:02
Rank: #5150 (-258)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
2:55:20
Rank: #5369 (-219)
24M → 40K
7:18 | 8:32/mi
25.2M
2:58:51
Rank: #5547 (-178)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:07:27
Rank: #5807 (-260)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:20
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:39:07
Pace7:34 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5221:056:4721:05
6:47
-
10K
6.21 mi10:44:4641:596:4520:54
6:44
-0:03
15K
9.32 mi11:05:451:02:586:4520:59
6:45
+0:01
20K
12.43 mi11:26:341:23:476:4520:49
6:42
-0:03
Half
13.11 mi11:31:071:28:206:444:33
6:40
-0:02
25K
15.53 mi11:47:211:44:346:4416:14
6:42
+0:02
30K
18.64 mi12:08:462:05:596:4621:25
6:54
+0:12
20M
20.00 mi12:18:262:15:396:479:40
7:07
+0:13
21M
21.00 mi12:26:222:23:356:507:56
7:56
+0:49
35K
21.75 mi12:31:412:28:546:515:19
7:06
-0:50
23M
23.00 mi12:42:322:39:456:5710:51
8:40
+1:34
24M
24.00 mi12:50:492:48:027:008:17
8:17
-0:23
40K
24.85 mi12:58:072:55:207:037:18
8:32
+0:15
25.2M
25.20 mi13:01:382:58:517:063:31
10:12
+1:40
Finish
26.22 mi13:10:143:07:277:098:36
8:26
-1:46

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

6:40 /mi

Average Pace

7:09 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:20:58

75% of race

Time at Slower Pace

46:29

25% of race

Average Pace: 7:09 /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 mi10:23:5221:056:4721:05
6:47
#4559
10K
6.21 mi10:44:4641:596:4520:54
6:44
#4574
15K
9.32 mi11:05:451:02:586:4520:59
6:45
#4569
20K
12.43 mi11:26:341:23:476:4520:49
6:42
#4275
Half
13.11 mi11:31:071:28:206:444:33
6:40
#4255
25K
15.53 mi11:47:211:44:346:4416:14
6:42
#4066
30K
18.64 mi12:08:462:05:596:4621:25
6:54
#3938
20M
20.00 mi12:18:262:15:396:479:40
7:07
#3999
21M
21.00 mi12:26:222:23:356:507:56
7:56
#4204
35K
21.75 mi12:31:412:28:546:515:19
7:06
#4279
23M
23.00 mi12:42:322:39:456:5710:51
8:40
#4892
24M
24.00 mi12:50:492:48:027:008:17
8:17
#5150
40K
24.85 mi12:58:072:55:207:037:18
8:32
#5369
25.2M
25.20 mi13:01:382:58:517:063:31
10:12
#5547
Finish
26.22 mi13:10:143:07:277:098:36
8:26
#5807
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4559425342534663(Top 18%)4356(Top 29%)4356(Top 82%)
10K6.21 mi3.10 mi4574-154273-204273-204619(Top 17%)4307(Top 28%)4307(Top 81%)
15K9.32 mi3.11 mi4569+54268+54268+54663(Top 18%)4356(Top 29%)4356(Top 82%)
20K12.43 mi3.11 mi4275+2944008+2604008+2603601(Top 14%)3408(Top 22%)3408(Top 64%)
Half13.11 mi0.68 mi4255+203986+223986+224112(Top 15%)3864(Top 25%)3864(Top 73%)
25K15.53 mi2.42 mi4066+1893820+1663820+1663341(Top 13%)3173(Top 21%)3173(Top 60%)
30K18.64 mi3.11 mi3938+1283710+1103710+1103633(Top 14%)3413(Top 22%)3413(Top 65%)
20M20.00 mi1.36 mi3999-613761-513761-514694(Top 18%)4299(Top 28%)4299(Top 81%)
21M21.00 mi1.00 mi4204-2053937-1763937-1766899(Top 26%)5795(Top 38%)5795(Top 110%)
35K21.75 mi0.75 mi4279-754002-654002-655925(Top 22%)5178(Top 34%)5178(Top 98%)
23M23.00 mi1.25 mi4892-6134531-5294531-52914130(Top 53%)9410(Top 62%)9410(Top 178%)
24M24.00 mi1.00 mi5150-2584731-2004731-20013121(Top 49%)8897(Top 59%)8897(Top 168%)
40K24.85 mi0.85 mi5369-2194905-1744905-17413536(Top 51%)9012(Top 59%)9012(Top 171%)
25.2M25.20 mi0.35 mi5547-1785049-1445049-14418027(Top 68%)11010(Top 73%)11010(Top 208%)
Finish26.22 mi1.02 mi5807-2605231-1825231-18214948(Top 56%)9690(Top 64%)9690(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4663

Males

4356

M18-39

4356

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4619

Males

4307

M18-39

4307

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4663

Males

4356

M18-39

4356

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3601

Males

3408

M18-39

3408

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4112

Males

3864

M18-39

3864

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3341

Males

3173

M18-39

3173

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3633

Males

3413

M18-39

3413

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4694

Males

4299

M18-39

4299

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6899

Males

5795

M18-39

5795

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5925

Males

5178

M18-39

5178

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14130

Males

9410

M18-39

9410

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13121

Males

8897

M18-39

8897

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13536

Males

9012

M18-39

9012

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18027

Males

11010

M18-39

11010

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14948

Males

9690

M18-39

9690

Passing Analysis

Category:
Athletes Passed
1148
Passed By
2396
Net Change
-1248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4559
5K → 10K198213-15#4559#4574
10K → 15K125120+5#4574#4569
15K → 20K30410+294#4569#4275
20K → Half299+20#4275#4255
Half → 25K1934+189#4255#4066
25K → 30K17850+128#4066#3938
30K → 20M44105-61#3938#3999
20M → 21M27232-205#3999#4204
21M → 35K1590-75#4204#4279
35K → 23M6619-613#4279#4892
23M → 24M8266-258#4892#5150
24M → 40K9228-219#5150#5369
40K → 25.2M2180-178#5369#5547
25.2M → Finish10270-260#5547#5807
TOTALS11482396-1248
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing