Boston Marathon logo
BOSTON MARATHON 2023

Jenna Rasmussen

Bib: 13409•F

MN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:57
Rank: #11528
Start → 5K
23:57 | 7:43/mi
10K· 6.21 mi
47:20
Rank: #11078 (+450)
5K → 10K
23:23 | 7:32/mi
15K· 9.32 mi
1:10:39
Rank: #10763 (+315)
10K → 15K
23:19 | 7:30/mi
20K· 12.43 mi
1:34:03
Rank: #10416 (+347)
15K → 20K
23:24 | 7:32/mi
Half· 13.11 mi
1:39:09
Rank: #10396 (+20)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:57:25
Rank: #10124 (+272)
Half → 25K
18:16 | 7:32/mi
30K· 18.64 mi
2:20:51
Rank: #9633 (+491)
25K → 30K
23:26 | 7:33/mi
20M
2:30:45
Rank: #9259 (+374)
30K → 20M
9:54 | 7:17/mi
21M
2:38:21
Rank: #8963 (+296)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:43:30
Rank: #8777 (+186)
21M → 35K
5:09 | 6:53/mi
23M
2:52:29
Rank: #8470 (+307)
35K → 23M
8:59 | 7:10/mi
24M
2:59:37
Rank: #8288 (+182)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
3:05:42
Rank: #8089 (+199)
24M → 40K
6:05 | 7:07/mi
25.2M
3:08:17
Rank: #7989 (+100)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:15:22
Rank: #7841 (+148)
25.2M → Finish
7:05 | 6:57/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
Time1:39:09
Pace7:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:13
Pace7:20 /mi
📊Negative Split: 3.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2423:577:4323:57
7:43
-
10K
6.21 mi11:15:4747:207:3723:23
7:32
-0:11
15K
9.32 mi11:39:061:10:397:3523:19
7:30
-0:02
20K
12.43 mi12:02:301:34:037:3423:24
7:32
+0:02
Half
13.11 mi12:07:361:39:097:345:06
7:29
-0:03
25K
15.53 mi12:25:521:57:257:3418:16
7:32
+0:03
30K
18.64 mi12:49:182:20:517:3323:26
7:33
+0:01
20M
20.00 mi12:59:122:30:457:329:54
7:17
-0:16
21M
21.00 mi13:06:482:38:217:327:36
7:36
+0:19
35K
21.75 mi13:11:572:43:307:315:09
6:53
-0:43
23M
23.00 mi13:20:562:52:297:308:59
7:10
+0:17
24M
24.00 mi13:28:042:59:377:297:08
7:08
-0:02
40K
24.85 mi13:34:093:05:427:286:05
7:07
-0:01
25.2M
25.20 mi13:36:443:08:177:282:35
7:29
+0:22
Finish
26.22 mi13:43:493:15:227:277:05
6:57
-0:32

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

6:53 /mi

Average Pace

7:27 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:49

84% of race

Time at Steady Pace

31:33

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:27 /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 mi10:52:2423:577:4323:57
7:43
#11528
10K
6.21 mi11:15:4747:207:3723:23
7:32
#11078
15K
9.32 mi11:39:061:10:397:3523:19
7:30
#10763
20K
12.43 mi12:02:301:34:037:3423:24
7:32
#10416
Half
13.11 mi12:07:361:39:097:345:06
7:29
#10396
25K
15.53 mi12:25:521:57:257:3418:16
7:32
#10124
30K
18.64 mi12:49:182:20:517:3323:26
7:33
#9633
20M
20.00 mi12:59:122:30:457:329:54
7:17
#9259
21M
21.00 mi13:06:482:38:217:327:36
7:36
#8963
35K
21.75 mi13:11:572:43:307:315:09
6:53
#8777
23M
23.00 mi13:20:562:52:297:308:59
7:10
#8470
24M
24.00 mi13:28:042:59:377:297:08
7:08
#8288
40K
24.85 mi13:34:093:05:427:286:05
7:07
#8089
25.2M
25.20 mi13:36:443:08:177:282:35
7:29
#7989
Finish
26.22 mi13:43:493:15:227:277:05
6:57
#7841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi115282601260110217(Top 38%)1938(Top 17%)1938(Top 40%)
10K6.21 mi3.10 mi11078+4502363+2382363+23810671(Top 40%)2135(Top 19%)2135(Top 44%)
15K9.32 mi3.11 mi10763+3152212+1512212+15110217(Top 38%)1938(Top 17%)1938(Top 40%)
20K12.43 mi3.11 mi10416+3472031+1812031+1819568(Top 36%)1713(Top 15%)1713(Top 35%)
Half13.11 mi0.68 mi10396+202025+62025+610043(Top 38%)1879(Top 16%)1879(Top 38%)
25K15.53 mi2.42 mi10124+2721912+1131912+1139034(Top 34%)1562(Top 14%)1562(Top 32%)
30K18.64 mi3.11 mi9633+4911728+1841728+1847529(Top 28%)1117(Top 10%)1117(Top 23%)
20M20.00 mi1.36 mi9259+3741618+1101618+1105588(Top 21%)601(Top 5%)601(Top 12%)
21M21.00 mi1.00 mi8963+2961516+1021516+1025132(Top 19%)568(Top 5%)568(Top 12%)
35K21.75 mi0.75 mi8777+1861446+701446+704740(Top 18%)457(Top 4%)457(Top 9%)
23M23.00 mi1.25 mi8470+3071359+871359+874703(Top 18%)467(Top 4%)467(Top 10%)
24M24.00 mi1.00 mi8288+1821316+431316+435417(Top 20%)697(Top 6%)697(Top 14%)
40K24.85 mi0.85 mi8089+1991256+601256+604485(Top 17%)512(Top 4%)512(Top 10%)
25.2M25.20 mi0.35 mi7989+1001232+241232+243954(Top 15%)443(Top 4%)443(Top 9%)
Finish26.22 mi1.02 mi7841+1481197+351197+354956(Top 19%)716(Top 6%)716(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10217

Females

1938

F18-39

1938

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10671

Females

2135

F18-39

2135

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10217

Females

1938

F18-39

1938

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9568

Females

1713

F18-39

1713

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10043

Females

1879

F18-39

1879

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9034

Females

1562

F18-39

1562

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7529

Females

1117

F18-39

1117

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5588

Females

601

F18-39

601

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5132

Females

568

F18-39

568

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4740

Females

457

F18-39

457

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4703

Females

467

F18-39

467

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5417

Females

697

F18-39

697

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4485

Females

512

F18-39

512

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3954

Females

443

F18-39

443

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4956

Females

716

F18-39

716

Passing Analysis

Category:
Athletes Passed
3959*
Passed By
272
Net Change
+3687
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11528
5K → 10K576126+450#11528#11078
10K → 15K37358+315#11078#10763
15K → 20K37427+347#10763#10416
20K → Half4020+20#10416#10396
Half → 25K29523+272#10396#10124
25K → 30K497*6+491#10124#9633
30K → 20M3740+374#9633#9259
20M → 21M2982+296#9259#8963
21M → 35K1860+186#8963#8777
35K → 23M3081+307#8777#8470
23M → 24M1853+182#8470#8288
24M → 40K2012+199#8288#8089
40K → 25.2M1000+100#8089#7989
25.2M → Finish1524+148#7989#7841
TOTALS3959*272+3687

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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