Jonathan Gerafi

Bib: 3806β€’M

NY

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 21%
Gender (Male)
#0 / 16340
Top 33%
Age Group (M18-39)
#0 / 5723
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
19:56
3.11 mi
Rank: #3596
Start β†’ 5K
19:56 | 6:25/mi
10K
39:50
6.21 mi
Rank: #3563 (+33)
5K β†’ 10K
19:54 | 6:25/mi
15K
59:40
9.32 mi
Rank: #3507 (+56)
10K β†’ 15K
19:50 | 6:24/mi
20K
1:19:44
12.43 mi
Rank: #3463 (+44)
15K β†’ 20K
20:04 | 6:28/mi
HALF
1:24:12
13.11 mi
Rank: #3522 (-59)
20K β†’ HALF
4:28 | 6:34/mi
25K
1:40:31
15.53 mi
Rank: #3750 (-228)
HALF β†’ 25K
16:19 | 6:44/mi
30K
2:02:26
18.64 mi
Rank: #4107 (-357)
25K β†’ 30K
21:55 | 7:04/mi
20M
2:12:26
20.00 mi
Rank: #4326 (-219)
30K β†’ 20M
10:00 | 7:22/mi
21M
2:20:22
21.00 mi
Rank: #4567 (-241)
20M β†’ 21M
7:56 | 7:56/mi
35K
2:25:47
21.75 mi
Rank: #4715 (-148)
21M β†’ 35K
5:25 | 7:15/mi
23M
2:35:23
23.00 mi
Rank: #5021 (-306)
35K β†’ 23M
9:36 | 7:41/mi
24M
2:43:17
24.00 mi
Rank: #5411 (-390)
23M β†’ 24M
7:54 | 7:54/mi
40K
2:50:21
24.85 mi
Rank: #5786 (-375)
24M β†’ 40K
7:04 | 8:16/mi
25.2M
2:53:21
25.20 mi
Rank: #5923 (-137)
40K β†’ 25.2M
3:00 | 8:42/mi
FINISH
3:01:10
26.22 mi
Rank: #6163 (-240)
25.2M β†’ FINISH
7:49 | 7:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:24:12
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:36:58
Pace7:24 /mi
πŸ“ŠPositive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1619:566:2519:56
6:25
-
10K
6.21 mi10:41:1039:506:2519:54
6:25
0:00
15K
9.32 mi11:01:0059:406:2519:50
6:24
-0:01
20K
12.43 mi11:21:041:19:446:2520:04
6:28
+0:04
HALF
13.11 mi11:25:321:24:126:264:28
6:34
+0:06
25K
15.53 mi11:41:511:40:316:2916:19
6:44
+0:10
30K
18.64 mi12:03:462:02:266:3521:55
7:04
+0:20
20M
20.00 mi12:13:462:12:266:3810:00
7:22
+0:18
21M
21.00 mi12:21:422:20:226:427:56
7:56
+0:34
35K
21.75 mi12:27:072:25:476:435:25
7:15
-0:41
23M
23.00 mi12:36:432:35:236:469:36
7:41
+0:26
24M
24.00 mi12:44:372:43:176:497:54
7:54
+0:13
40K
24.85 mi12:51:412:50:216:527:04
8:16
+0:22
25.2M
25.20 mi12:54:412:53:216:533:00
8:42
+0:26
FINISH
26.22 mi13:02:303:01:106:557:49
7:41
-1:01

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:24 /mi

Average Pace

6:55 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:40:31

55% of race

Time at Steady Pace

37:20

21% of race

Time at Slower Pace

43:19

24% of race

Average Pace: 6:55 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:21:1619:566:2519:56
6:25
#3596
10K
6.21 mi10:41:1039:506:2519:54
6:25
#3563
15K
9.32 mi11:01:0059:406:2519:50
6:24
#3507
20K
12.43 mi11:21:041:19:446:2520:04
6:28
#3463
HALF
13.11 mi11:25:321:24:126:264:28
6:34
#3522
25K
15.53 mi11:41:511:40:316:2916:19
6:44
#3750
30K
18.64 mi12:03:462:02:266:3521:55
7:04
#4107
20M
20.00 mi12:13:462:12:266:3810:00
7:22
#4326
21M
21.00 mi12:21:422:20:226:427:56
7:56
#4567
35K
21.75 mi12:27:072:25:476:435:25
7:15
#4715
23M
23.00 mi12:36:432:35:236:469:36
7:41
#5021
24M
24.00 mi12:44:372:43:176:497:54
7:54
#5411
40K
24.85 mi12:51:412:50:216:527:04
8:16
#5786
25.2M
25.20 mi12:54:412:53:216:533:00
8:42
#5923
FINISH
26.22 mi13:02:303:01:106:557:49
7:41
#6163
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3596342334233426(Top 12%)3274(Top 20%)3274(Top 57%)
10K6.21 mi3.10 mi3563+333401+223401+223586(Top 12%)3418(Top 21%)3418(Top 60%)
15K9.32 mi3.11 mi3507+563348+533348+533426(Top 12%)3274(Top 20%)3274(Top 57%)
20K12.43 mi3.11 mi3463+443310+383310+383522(Top 12%)3366(Top 21%)3366(Top 59%)
HALF13.11 mi0.68 mi3522-593367-573367-574881(Top 17%)4553(Top 28%)4553(Top 80%)
25K15.53 mi2.42 mi3750-2283578-2113578-2115149(Top 18%)4711(Top 29%)4711(Top 82%)
30K18.64 mi3.11 mi4107-3573874-2963874-2966336(Top 22%)5540(Top 34%)5540(Top 97%)
20M20.00 mi1.36 mi4326-2194064-1904064-1908092(Top 28%)6540(Top 40%)6540(Top 114%)
21M21.00 mi1.00 mi4567-2414265-2014265-2019395(Top 32%)7143(Top 44%)7143(Top 125%)
35K21.75 mi0.75 mi4715-1484377-1124377-1128785(Top 30%)6831(Top 42%)6831(Top 119%)
23M23.00 mi1.25 mi5021-3064628-2514628-25110047(Top 35%)7389(Top 45%)7389(Top 129%)
24M24.00 mi1.00 mi5411-3904913-2854913-28512979(Top 45%)8677(Top 53%)8677(Top 152%)
40K24.85 mi0.85 mi5786-3755192-2795192-27914165(Top 49%)9129(Top 56%)9129(Top 160%)
25.2M25.20 mi0.35 mi5923-1375294-1025294-10212749(Top 44%)8435(Top 52%)8435(Top 147%)
FINISH26.22 mi1.02 mi6163-2405472-1785472-17812695(Top 44%)8408(Top 51%)8408(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
Γ—21
+97ft-345ft

Overall

3426

Males

3274

M18-39

3274

5K→10K

3.1 - 6.2 mi

Top 12%
Γ—5
+79ft-138ft

Overall

3586

Males

3418

M18-39

3418

10K→15K

6.2 - 9.3 mi

Top 12%
Γ—3
+67ft-78ft

Overall

3426

Males

3274

M18-39

3274

15K→20K

9.3 - 12.4 mi

Top 12%
Γ—5
+106ft-86ft

Overall

3522

Males

3366

M18-39

3366

20K→HALF

12.4 - 13.1 mi

Top 17%
Γ—2
+19ft-37ft

Overall

4881

Males

4553

M18-39

4553

HALF→25K

13.1 - 15.5 mi

Top 18%
Γ—4
+66ft-88ft

Overall

5149

Males

4711

M18-39

4711

25K→30K

15.5 - 18.6 mi

Top 22%
Γ—9
+181ft-148ft

Overall

6336

Males

5540

M18-39

5540

30K→20M

18.6 - 20.0 mi

Top 28%
Γ—5
+64ft-50ft

Overall

8092

Males

6540

M18-39

6540

20M→21M

20.0 - 21.0 mi

Top 32%
Γ—8
+106ft-24ft

Overall

9395

Males

7143

M18-39

7143

21M→35K

21.0 - 21.8 mi

Top 30%
Γ—7
+17ft-86ft

Overall

8785

Males

6831

M18-39

6831

35K→23M

21.8 - 23.0 mi

Top 35%
Γ—5
+23ft-63ft

Overall

10047

Males

7389

M18-39

7389

23M→24M

23.0 - 24.0 mi

Top 45%
Γ—6
+12ft-82ft

Overall

12979

Males

8677

M18-39

8677

24M→40K

24.0 - 24.9 mi

Top 49%
Γ—1
+6ft-20ft

Overall

14165

Males

9129

M18-39

9129

40K→25.2M

24.9 - 25.2 mi

Top 44%
Γ—1
+13ft-16ft

Overall

12749

Males

8435

M18-39

8435

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
Γ—2
+22ft-21ft

Overall

12695

Males

8408

M18-39

8408

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
547
Passed By
2201
Net Change
-2567
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3596
5K β†’ 10K167134+33#3596#3563
10K β†’ 15K10852+56#3563#3507
15K β†’ 20K9753+44#3507#3463
20K β†’ HALF463-59#3463#3522
HALF β†’ 25K28200-228#3522#3750
25K β†’ 30K29200-357#3750#4107
30K β†’ 20M24200-219#4107#4326
20M β†’ 21M16200-241#4326#4567
21M β†’ 35K9157-148#4567#4715
35K β†’ 23M27200-306#4715#5021
23M β†’ 24M11200-390#5021#5411
24M β†’ 40K12200-375#5411#5786
40K β†’ 25.2M5142-137#5786#5923
25.2M β†’ FINISH10200-240#5923#6163
TOTALS5472201-2567
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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.gpx files up to 10MB

Export & Support

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Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing