Boston Marathon logo
BOSTON MARATHON 2024

Jessica Bolsenga

Bib: 14531•F

MN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 48%
Gender (Female)
#0 / 10924
Top 35%
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:21
Rank: #10913
Start → 5K
7:31/mi
23:21 split
10K· 6.21 mi
46:39
Rank: #10566 (+347)
5K → 10K
7:30/mi
23:18 split
15K· 9.32 mi
1:10:11
Rank: #10428 (+138)
10K → 15K
7:34/mi
23:32 split
20K· 12.43 mi
1:34:41
Rank: #10532 (-104)
15K → 20K
7:53/mi
24:30 split
Half· 13.11 mi
1:40:05
Rank: #10612 (-80)
20K → Half
7:55/mi
5:24 split
25K· 15.53 mi
2:02:49
Rank: #12034 (-1422)
Half → 25K
9:23/mi
22:44 split
30K· 18.64 mi
2:30:27
Rank: #12150 (-116)
25K → 30K
8:54/mi
27:38 split
20M
2:43:33
Rank: #12388 (-238)
30K → 20M
9:38/mi
13:06 split
21M
2:53:25
Rank: #12345 (+43)
20M → 21M
9:52/mi
9:52 split
35K· 21.75 mi
2:59:53
Rank: #12294 (+51)
21M → 35K
8:39/mi
6:28 split
23M
3:12:09
Rank: #12438 (-144)
35K → 23M
9:48/mi
12:16 split
24M
3:21:00
Rank: #12349 (+89)
23M → 24M
8:51/mi
8:51 split
40K· 24.85 mi
3:29:09
Rank: #12356 (-7)
24M → 40K
9:32/mi
8:09 split
25.2M
3:32:30
Rank: #12291 (+65)
40K → 25.2M
9:43/mi
3:21 split
Finish· 26.22 mi
3:41:01
Rank: #12218 (+73)
25.2M → Finish
8:21/mi
8:31 split

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
Time1:40:05
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time2:00:56
Pace9:14 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1423:217:3123:21
7:31
-
10K
6.21 mi11:18:3246:397:3023:18
7:30
-0:01
15K
9.32 mi11:42:041:10:117:3223:32
7:34
+0:04
20K
12.43 mi12:06:341:34:417:3724:30
7:53
+0:19
Half
13.11 mi12:11:581:40:057:385:24
7:55
+0:02
25K
15.53 mi12:34:422:02:497:5422:44
9:23
+1:28
30K
18.64 mi13:02:202:30:278:0427:38
8:54
-0:29
20M
20.00 mi13:15:262:43:338:1113:06
9:38
+0:44
21M
21.00 mi13:25:182:53:258:159:52
9:52
+0:14
35K
21.75 mi13:31:462:59:538:166:28
8:39
-1:13
23M
23.00 mi13:44:023:12:098:2112:16
9:48
+1:09
24M
24.00 mi13:52:533:21:008:238:51
8:51
-0:57
40K
24.85 mi14:01:023:29:098:258:09
9:32
+0:41
25.2M
25.20 mi14:04:233:32:308:263:21
9:43
+0:11
Finish
26.22 mi14:12:543:41:018:268:31
8:21
-1:22

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

7:30 /mi

Average Pace

8:26 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:36

49% of race

Time at Steady Pace

42:57

19% of race

Time at Slower Pace

1:09:28

31% of race

Average Pace: 8:26 /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 mi10:55:1423:217:3123:21
7:31
#10913
10K
6.21 mi11:18:3246:397:3023:18
7:30
#10566
15K
9.32 mi11:42:041:10:117:3223:32
7:34
#10428
20K
12.43 mi12:06:341:34:417:3724:30
7:53
#10532
Half
13.11 mi12:11:581:40:057:385:24
7:55
#10612
25K
15.53 mi12:34:422:02:497:5422:44
9:23
#12034
30K
18.64 mi13:02:202:30:278:0427:38
8:54
#12150
20M
20.00 mi13:15:262:43:338:1113:06
9:38
#12388
21M
21.00 mi13:25:182:53:258:159:52
9:52
#12345
35K
21.75 mi13:31:462:59:538:166:28
8:39
#12294
23M
23.00 mi13:44:023:12:098:2112:16
9:48
#12438
24M
24.00 mi13:52:533:21:008:238:51
8:51
#12349
40K
24.85 mi14:01:023:29:098:258:09
9:32
#12356
25.2M
25.20 mi14:04:233:32:308:263:21
9:43
#12291
Finish
26.22 mi14:12:543:41:018:268:31
8:21
#12218
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109132517251710254(Top 40%)2309(Top 21%)2309(Top 50%)
10K6.21 mi3.10 mi10566+3472366+1512366+15110290(Top 40%)2244(Top 21%)2244(Top 48%)
15K9.32 mi3.11 mi10428+1382310+562310+5610254(Top 40%)2309(Top 21%)2309(Top 50%)
20K12.43 mi3.11 mi10532-1042416-1062416-10611055(Top 43%)2843(Top 26%)2843(Top 61%)
Half13.11 mi0.68 mi10612-802468-522468-5212206(Top 48%)3444(Top 32%)3444(Top 74%)
25K15.53 mi2.42 mi12034-14223277-8093277-80917100(Top 67%)6326(Top 58%)6326(Top 136%)
30K18.64 mi3.11 mi12150-1163437-1603437-16012720(Top 50%)4124(Top 38%)4124(Top 88%)
20M20.00 mi1.36 mi12388-2383617-1803617-18015115(Top 59%)5734(Top 52%)5734(Top 123%)
21M21.00 mi1.00 mi12345+433662-453662-4512441(Top 49%)4489(Top 41%)4489(Top 96%)
35K21.75 mi0.75 mi12294+513676-143676-1411544(Top 45%)4041(Top 37%)4041(Top 87%)
23M23.00 mi1.25 mi12438-1443815-1393815-13914736(Top 58%)5786(Top 53%)5786(Top 124%)
24M24.00 mi1.00 mi12349+893821-63821-611392(Top 45%)4103(Top 38%)4103(Top 88%)
40K24.85 mi0.85 mi12356-73870-493870-4913245(Top 52%)5160(Top 47%)5160(Top 111%)
25.2M25.20 mi0.35 mi12291+653849+213849+219745(Top 38%)3518(Top 32%)3518(Top 75%)
Finish26.22 mi1.02 mi12218+733837+123837+1210711(Top 42%)3851(Top 35%)3851(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10254

Females

2309

F18-39

2309

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10290

Females

2244

F18-39

2244

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10254

Females

2309

F18-39

2309

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11055

Females

2843

F18-39

2843

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12206

Females

3444

F18-39

3444

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17100

Females

6326

F18-39

6326

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

12720

Females

4124

F18-39

4124

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15115

Females

5734

F18-39

5734

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

12441

Females

4489

F18-39

4489

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

11544

Females

4041

F18-39

4041

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

14736

Females

5786

F18-39

5786

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11392

Females

4103

F18-39

4103

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13245

Females

5160

F18-39

5160

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9745

Females

3518

F18-39

3518

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

10711

Females

3851

F18-39

3851

Passing Analysis

Category:
Athletes Passed
2091
Passed By
3396
Net Change
-1305
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10913
5K → 10K479132+347#10913#10566
10K → 15K278140+138#10566#10428
15K → 20K188292-104#10428#10532
20K → Half24104-80#10532#10612
Half → 25K411463-1422#10612#12034
25K → 30K262378-116#12034#12150
30K → 20M83321-238#12150#12388
20M → 21M148105+43#12388#12345
21M → 35K9847+51#12345#12294
35K → 23M93237-144#12294#12438
23M → 24M14354+89#12438#12349
24M → 40K8491-7#12349#12356
40K → 25.2M694+65#12356#12291
25.2M → Finish10128+73#12291#12218
TOTALS20913396-1305
📊

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