Boston Marathon logo
BOSTON MARATHON 2026

Lauren Kim

Bib: 13860•F

NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 22%
Gender (Female)
#0 / 12578
Top 6%
Division (F18-39)
#0 / 5716
Top 11%
Race Day Weather
51°/41°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:50
Rank: #11482
Start → 5K
22:50 | 7:21/mi
10K· 6.21 mi
45:37
Rank: #11447 (+35)
5K → 10K
22:47 | 7:20/mi
15K· 9.32 mi
1:07:55
Rank: #10917 (+530)
10K → 15K
22:18 | 7:11/mi
20K· 12.43 mi
1:29:39
Rank: #10018 (+899)
15K → 20K
21:44 | 7:00/mi
HALF· 13.11 mi
1:34:13
Rank: #9794 (+224)
20K → HALF
4:34 | 6:42/mi
25K· 15.53 mi
1:50:57
Rank: #9245 (+549)
HALF → 25K
16:44 | 6:54/mi
30K· 18.64 mi
2:12:28
Rank: #8472 (+773)
25K → 30K
21:31 | 6:56/mi
20M
2:21:40
Rank: #8094 (+378)
30K → 20M
9:12 | 6:47/mi
21M
2:28:33
Rank: #7762 (+332)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:33:24
Rank: #7573 (+189)
21M → 35K
4:51 | 6:29/mi
23M
2:41:15
Rank: #7100 (+473)
35K → 23M
7:51 | 6:17/mi
24M
2:47:34
Rank: #6826 (+274)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:53:10
Rank: #6618 (+208)
24M → 40K
5:36 | 6:33/mi
25.2M
2:55:36
Rank: #6551 (+67)
40K → 25.2M
2:26 | 7:04/mi
FINISH· 26.22 mi
3:02:05
Rank: #6376 (+175)
25.2M → FINISH
6:29 | 6:22/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
Time1:34:13
Pace7:12 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:52
Pace6:43 /mi
📊Negative Split: 6.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5622:507:2122:50
7:21
-
10K
6.21 mi11:18:4345:377:2122:47
7:20
-0:01
15K
9.32 mi11:41:011:07:557:1822:18
7:11
-0:09
20K
12.43 mi12:02:451:29:397:1321:44
7:00
-0:11
HALF
13.11 mi12:07:191:34:137:124:34
6:42
-0:18
25K
15.53 mi12:24:031:50:577:0916:44
6:54
+0:12
30K
18.64 mi12:45:342:12:287:0721:31
6:56
+0:02
20M
20.00 mi12:54:462:21:407:069:12
6:47
-0:09
21M
21.00 mi13:01:392:28:337:056:53
6:53
+0:06
35K
21.75 mi13:06:302:33:247:044:51
6:29
-0:24
23M
23.00 mi13:14:212:41:157:017:51
6:17
-0:12
24M
24.00 mi13:20:402:47:346:596:19
6:19
+0:02
40K
24.85 mi13:26:162:53:106:595:36
6:33
+0:14
25.2M
25.20 mi13:28:422:55:366:592:26
7:04
+0:31
FINISH
26.22 mi13:35:113:02:056:576:29
6:22
-0:42

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

6:17 /mi

Average Pace

6:57 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:29

38% of race

Time at Steady Pace

1:53:36

62% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /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 mi10:55:5622:507:2122:50
7:21
#11482
10K
6.21 mi11:18:4345:377:2122:47
7:20
#11447
15K
9.32 mi11:41:011:07:557:1822:18
7:11
#10917
20K
12.43 mi12:02:451:29:397:1321:44
7:00
#10018
HALF
13.11 mi12:07:191:34:137:124:34
6:42
#9794
25K
15.53 mi12:24:031:50:577:0916:44
6:54
#9245
30K
18.64 mi12:45:342:12:287:0721:31
6:56
#8472
20M
20.00 mi12:54:462:21:407:069:12
6:47
#8094
21M
21.00 mi13:01:392:28:337:056:53
6:53
#7762
35K
21.75 mi13:06:302:33:247:044:51
6:29
#7573
23M
23.00 mi13:14:212:41:157:017:51
6:17
#7100
24M
24.00 mi13:20:402:47:346:596:19
6:19
#6826
40K
24.85 mi13:26:162:53:106:595:36
6:33
#6618
25.2M
25.20 mi13:28:422:55:366:592:26
7:04
#6551
FINISH
26.22 mi13:35:113:02:056:576:29
6:22
#6376
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11482262526259929(Top 34%)1907(Top 15%)1907(Top 33%)
10K6.21 mi3.10 mi11447+352636-112636-1111442(Top 39%)2668(Top 21%)2668(Top 47%)
15K9.32 mi3.11 mi10917+5302381+2552381+2559929(Top 34%)1907(Top 15%)1907(Top 33%)
20K12.43 mi3.11 mi10018+8991950+4311950+4317832(Top 27%)1080(Top 9%)1080(Top 19%)
HALF13.11 mi0.68 mi9794+2241838+1121838+1126257(Top 22%)630(Top 5%)630(Top 11%)
25K15.53 mi2.42 mi9245+5491612+2261612+2266714(Top 23%)796(Top 6%)796(Top 14%)
30K18.64 mi3.11 mi8472+7731332+2801332+2805368(Top 18%)541(Top 4%)541(Top 9%)
20M20.00 mi1.36 mi8094+3781220+1121220+1123979(Top 14%)318(Top 3%)318(Top 6%)
21M21.00 mi1.00 mi7762+3321102+1181102+1182866(Top 10%)187(Top 1%)187(Top 3%)
35K21.75 mi0.75 mi7573+1891038+641038+643550(Top 12%)285(Top 2%)285(Top 5%)
23M23.00 mi1.25 mi7100+473914+124914+1241478(Top 5%)63(Top 0.5%)63(Top 1%)
24M24.00 mi1.00 mi6826+274841+73841+732299(Top 8%)153(Top 1%)153(Top 3%)
40K24.85 mi0.85 mi6618+208798+43798+432836(Top 10%)246(Top 2%)246(Top 4%)
25.2M25.20 mi0.35 mi6551+67780+18780+182996(Top 10%)312(Top 2%)312(Top 5%)
FINISH26.22 mi1.02 mi6376+175744+36744+363394(Top 12%)389(Top 3%)389(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9929

Females

1907

F18-39

1907

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11442

Females

2668

F18-39

2668

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9929

Females

1907

F18-39

1907

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7832

Females

1080

F18-39

1080

20K→HALF

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6257

Females

630

F18-39

630

HALF→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6714

Females

796

F18-39

796

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5368

Females

541

F18-39

541

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3979

Females

318

F18-39

318

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2866

Females

187

F18-39

187

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3550

Females

285

F18-39

285

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1478

Females

63

F18-39

63

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2299

Females

153

F18-39

153

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2836

Females

246

F18-39

246

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2996

Females

312

F18-39

312

25.2M→FINISH

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3394

Females

389

F18-39

389

Passing Analysis

Category:
Athletes Passed
5367*
Passed By
260
Net Change
+5106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11482
5K → 10K267231+35#11482#11447
10K → 15K55222+530#11447#10917
15K → 20K9001+899#10917#10018
20K → HALF224*0+224#10018#9794
HALF → 25K5490+549#9794#9245
25K → 30K7730+773#9245#8472
30K → 20M3780+378#8472#8094
20M → 21M3320+332#8094#7762
21M → 35K1890+189#7762#7573
35K → 23M4730+473#7573#7100
23M → 24M2740+274#7100#6826
24M → 40K2102+208#6826#6618
40K → 25.2M670+67#6618#6551
25.2M → FINISH1794+175#6551#6376
TOTALS5367*260+5106

* 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...
OTQ

Olympic Trials Qualifying analysis available

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