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BOSTON MARATHON 2023

Janine Karajan

Bib: 10398•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:11
Rank: #12227
Start → 5K
24:11 | 7:47/mi
10K· 6.21 mi
49:04
Rank: #13570 (-1343)
5K → 10K
24:53 | 8:01/mi
15K· 9.32 mi
1:14:24
Rank: #14244 (-674)
10K → 15K
25:20 | 8:09/mi
20K· 12.43 mi
1:40:08
Rank: #14542 (-298)
15K → 20K
25:44 | 8:17/mi
Half· 13.11 mi
1:45:38
Rank: #14571 (-29)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:05:46
Rank: #14622 (-51)
Half → 25K
20:08 | 8:18/mi
30K· 18.64 mi
2:32:01
Rank: #14487 (+135)
25K → 30K
26:15 | 8:27/mi
20M
2:43:32
Rank: #14390 (+97)
30K → 20M
11:31 | 8:28/mi
21M
2:52:17
Rank: #14248 (+142)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:58:24
Rank: #14196 (+52)
21M → 35K
6:07 | 8:11/mi
23M
3:08:52
Rank: #14037 (+159)
35K → 23M
10:28 | 8:22/mi
24M
3:16:55
Rank: #13918 (+119)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:23:43
Rank: #13741 (+177)
24M → 40K
6:48 | 7:57/mi
25.2M
3:26:45
Rank: #13694 (+47)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:34:46
Rank: #13569 (+125)
25.2M → Finish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:38
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:49:08
Pace8:20 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4024:117:4724:11
7:47
-
10K
6.21 mi11:15:3349:047:5424:53
8:01
+0:14
15K
9.32 mi11:40:531:14:247:5925:20
8:09
+0:08
20K
12.43 mi12:06:371:40:088:0325:44
8:17
+0:08
Half
13.11 mi12:12:071:45:388:035:30
8:04
-0:13
25K
15.53 mi12:32:152:05:468:0620:08
8:18
+0:14
30K
18.64 mi12:58:302:32:018:0926:15
8:27
+0:09
20M
20.00 mi13:10:012:43:328:1111:31
8:28
+0:01
21M
21.00 mi13:18:462:52:178:128:45
8:45
+0:17
35K
21.75 mi13:24:532:58:248:126:07
8:11
-0:34
23M
23.00 mi13:35:213:08:528:1310:28
8:22
+0:11
24M
24.00 mi13:43:243:16:558:128:03
8:03
-0:19
40K
24.85 mi13:50:123:23:438:126:48
7:57
-0:06
25.2M
25.20 mi13:53:143:26:458:123:02
8:48
+0:51
Finish
26.22 mi14:01:153:34:468:128:01
7:52
-0:56

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

7:47 /mi

Average Pace

8:12 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:59

95% of race

Time at Steady Pace

11:47

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi10:50:4024:117:4724:11
7:47
#12227
10K
6.21 mi11:15:3349:047:5424:53
8:01
#13570
15K
9.32 mi11:40:531:14:247:5925:20
8:09
#14244
20K
12.43 mi12:06:371:40:088:0325:44
8:17
#14542
Half
13.11 mi12:12:071:45:388:035:30
8:04
#14571
25K
15.53 mi12:32:152:05:468:0620:08
8:18
#14622
30K
18.64 mi12:58:302:32:018:0926:15
8:27
#14487
20M
20.00 mi13:10:012:43:328:1111:31
8:28
#14390
21M
21.00 mi13:18:462:52:178:128:45
8:45
#14248
35K
21.75 mi13:24:532:58:248:126:07
8:11
#14196
23M
23.00 mi13:35:213:08:528:1310:28
8:22
#14037
24M
24.00 mi13:43:243:16:558:128:03
8:03
#13918
40K
24.85 mi13:50:123:23:438:126:48
7:57
#13741
25.2M
25.20 mi13:53:143:26:458:123:02
8:48
#13694
Finish
26.22 mi14:01:153:34:468:128:01
7:52
#13569
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi122272995299515534(Top 58%)4999(Top 44%)4999(Top 102%)
10K6.21 mi3.10 mi13570-13433784-7893784-78914873(Top 56%)4590(Top 40%)4590(Top 94%)
15K9.32 mi3.11 mi14244-6744204-4204204-42015534(Top 58%)4999(Top 44%)4999(Top 102%)
20K12.43 mi3.11 mi14542-2984394-1904394-19015505(Top 58%)5032(Top 44%)5032(Top 103%)
Half13.11 mi0.68 mi14571-294408-144408-1414869(Top 56%)4589(Top 40%)4589(Top 94%)
25K15.53 mi2.42 mi14622-514479-714479-7114979(Top 56%)4821(Top 42%)4821(Top 99%)
30K18.64 mi3.11 mi14487+1354442+374442+3713989(Top 53%)4325(Top 38%)4325(Top 89%)
20M20.00 mi1.36 mi14390+974414+284414+2813492(Top 51%)4121(Top 36%)4121(Top 84%)
21M21.00 mi1.00 mi14248+1424345+694345+6912004(Top 45%)3406(Top 30%)3406(Top 70%)
35K21.75 mi0.75 mi14196+524327+184327+1813304(Top 50%)4166(Top 36%)4166(Top 85%)
23M23.00 mi1.25 mi14037+1594249+784249+7812334(Top 46%)3712(Top 32%)3712(Top 76%)
24M24.00 mi1.00 mi13918+1194205+444205+4411622(Top 44%)3400(Top 30%)3400(Top 70%)
40K24.85 mi0.85 mi13741+1774108+974108+979789(Top 37%)2565(Top 22%)2565(Top 53%)
25.2M25.20 mi0.35 mi13694+474085+234085+2311409(Top 43%)3421(Top 30%)3421(Top 70%)
Finish26.22 mi1.02 mi13569+1254026+594026+5911192(Top 42%)3298(Top 29%)3298(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15534

Females

4999

F18-39

4999

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14873

Females

4590

F18-39

4590

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15534

Females

4999

F18-39

4999

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15505

Females

5032

F18-39

5032

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14869

Females

4589

F18-39

4589

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14979

Females

4821

F18-39

4821

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

13989

Females

4325

F18-39

4325

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13492

Females

4121

F18-39

4121

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12004

Females

3406

F18-39

3406

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13304

Females

4166

F18-39

4166

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12334

Females

3712

F18-39

3712

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11622

Females

3400

F18-39

3400

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9789

Females

2565

F18-39

2565

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11409

Females

3421

F18-39

3421

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11192

Females

3298

F18-39

3298

Passing Analysis

Category:
Athletes Passed
1626
Passed By
2968
Net Change
-1342
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12227
5K → 10K381381-1343#12227#13570
10K → 15K34708-674#13570#14244
15K → 20K104402-298#14244#14542
20K → Half2150-29#14542#14571
Half → 25K129180-51#14571#14622
25K → 30K23196+135#14622#14487
30K → 20M14043+97#14487#14390
20M → 21M15513+142#14390#14248
21M → 35K7624+52#14248#14196
35K → 23M18223+159#14196#14037
23M → 24M13415+119#14037#13918
24M → 40K1803+177#13918#13741
40K → 25.2M6417+47#13741#13694
25.2M → Finish13813+125#13694#13569
TOTALS16262968-1342
📊

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