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BOSTON MARATHON 2026

Karin Lee

Bib: 20505•F

NY

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 48%
Gender (Female)
#0 / 12578
Top 34%
Masters (Masters Women)
#0 / 6862
Top 18%
Age Group (F45-49)
#0 / 1786
Top 20%
Race Day Weather
51°/41°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
24:55
3.11 mi
Rank: #17087
Start → 5K
24:55 | 8:02/mi
10K
49:17
6.21 mi
Rank: #16571 (+516)
5K → 10K
24:22 | 7:51/mi
15K
1:13:40
9.32 mi
Rank: #16286 (+285)
10K → 15K
24:23 | 7:51/mi
20K
1:37:51
12.43 mi
Rank: #15773 (+513)
15K → 20K
24:11 | 7:48/mi
HALF
1:43:03
13.11 mi
Rank: #15666 (+107)
20K → HALF
5:12 | 7:38/mi
25K
2:02:02
15.53 mi
Rank: #15393 (+273)
HALF → 25K
18:59 | 7:50/mi
30K
2:26:34
18.64 mi
Rank: #14869 (+524)
25K → 30K
24:32 | 7:54/mi
20M
2:37:28
20.00 mi
Rank: #14703 (+166)
30K → 20M
10:54 | 8:02/mi
21M
2:45:43
21.00 mi
Rank: #14469 (+234)
20M → 21M
8:15 | 8:15/mi
35K
2:51:35
21.75 mi
Rank: #14418 (+51)
21M → 35K
5:52 | 7:51/mi
23M
3:01:36
23.00 mi
Rank: #14280 (+138)
35K → 23M
10:01 | 8:01/mi
24M
3:09:27
24.00 mi
Rank: #14198 (+82)
23M → 24M
7:51 | 7:51/mi
40K
3:16:07
24.85 mi
Rank: #14070 (+128)
24M → 40K
6:40 | 7:48/mi
25.2M
3:18:59
25.20 mi
Rank: #14004 (+66)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:26:34
26.22 mi
Rank: #13880 (+124)
25.2M → FINISH
7:35 | 7:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:43:03
Pace7:52 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:31
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:1224:558:0224:55
8:02
-
10K
6.21 mi11:35:3449:177:5624:22
7:51
-0:11
15K
9.32 mi11:59:571:13:407:5524:23
7:51
0:00
20K
12.43 mi12:24:081:37:517:5324:11
7:48
-0:03
HALF
13.11 mi12:29:201:43:037:525:12
7:38
-0:10
25K
15.53 mi12:48:192:02:027:5218:59
7:50
+0:12
30K
18.64 mi13:12:512:26:347:5224:32
7:54
+0:04
20M
20.00 mi13:23:452:37:287:5310:54
8:02
+0:08
21M
21.00 mi13:32:002:45:437:548:15
8:15
+0:13
35K
21.75 mi13:37:522:51:357:545:52
7:51
-0:24
23M
23.00 mi13:47:533:01:367:5410:01
8:01
+0:10
24M
24.00 mi13:55:443:09:277:547:51
7:51
-0:10
40K
24.85 mi14:02:243:16:077:546:40
7:48
-0:03
25.2M
25.20 mi14:05:163:18:597:542:52
8:19
+0:31
FINISH
26.22 mi14:12:513:26:347:547:35
7:27
-0:52

Checkpoint Splits Visualizations

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

📈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

7:27 /mi

Average Pace

7:53 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

3:15:27

95% of race

Time at Steady Pace

11:07

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:1224:558:0224:55
8:02
#17087
10K
6.21 mi11:35:3449:177:5624:22
7:51
#16571
15K
9.32 mi11:59:571:13:407:5524:23
7:51
#16286
20K
12.43 mi12:24:081:37:517:5324:11
7:48
#15773
HALF
13.11 mi12:29:201:43:037:525:12
7:38
#15666
25K
15.53 mi12:48:192:02:027:5218:59
7:50
#15393
30K
18.64 mi13:12:512:26:347:5224:32
7:54
#14869
20M
20.00 mi13:23:452:37:287:5310:54
8:02
#14703
21M
21.00 mi13:32:002:45:437:548:15
8:15
#14469
35K
21.75 mi13:37:522:51:357:545:52
7:51
#14418
23M
23.00 mi13:47:533:01:367:5410:01
8:01
#14280
24M
24.00 mi13:55:443:09:277:547:51
7:51
#14198
40K
24.85 mi14:02:243:16:077:546:40
7:48
#14070
25.2M
25.20 mi14:05:163:18:597:542:52
8:19
#14004
FINISH
26.22 mi14:12:513:26:347:547:35
7:27
#13880
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi170875969596915748(Top 54%)5190(Top 41%)5190(Top 291%)
10K6.21 mi3.10 mi16571+5165675+2945675+29416006(Top 55%)5304(Top 42%)5304(Top 297%)
15K9.32 mi3.11 mi16286+2855513+1625513+16215748(Top 54%)5190(Top 41%)5190(Top 291%)
20K12.43 mi3.11 mi15773+5135216+2975216+29714399(Top 50%)4444(Top 35%)4444(Top 249%)
HALF13.11 mi0.68 mi15666+1075159+575159+5714178(Top 49%)4262(Top 34%)4262(Top 239%)
25K15.53 mi2.42 mi15393+2735003+1565003+15614075(Top 48%)4337(Top 34%)4337(Top 243%)
30K18.64 mi3.11 mi14869+5244713+2904713+29012733(Top 44%)3709(Top 29%)3709(Top 208%)
20M20.00 mi1.36 mi14703+1664641+724641+7213031(Top 45%)3960(Top 31%)3960(Top 222%)
21M21.00 mi1.00 mi14469+2344522+1194522+11911578(Top 40%)3303(Top 26%)3303(Top 185%)
35K21.75 mi0.75 mi14418+514510+124510+1213406(Top 46%)4317(Top 34%)4317(Top 242%)
23M23.00 mi1.25 mi14280+1384464+464464+4612509(Top 43%)3876(Top 31%)3876(Top 217%)
24M24.00 mi1.00 mi14198+824441+234441+2312709(Top 44%)4096(Top 33%)4096(Top 229%)
40K24.85 mi0.85 mi14070+1284397+444397+4411069(Top 38%)3305(Top 26%)3305(Top 185%)
25.2M25.20 mi0.35 mi14004+664364+334364+3310537(Top 36%)3117(Top 25%)3117(Top 175%)
FINISH26.22 mi1.02 mi13880+1244315+494315+4911009(Top 38%)3362(Top 27%)3362(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15748

Females

5190

F45-49

5190

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

16006

Females

5304

F45-49

5304

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15748

Females

5190

F45-49

5190

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14399

Females

4444

F45-49

4444

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14178

Females

4262

F45-49

4262

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

14075

Females

4337

F45-49

4337

25K→30K

15.5 - 18.6 mi

Top 44%
×9
+181ft-148ft

Overall

12733

Females

3709

F45-49

3709

30K→20M

18.6 - 20.0 mi

Top 45%
×5
+64ft-50ft

Overall

13031

Females

3960

F45-49

3960

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11578

Females

3303

F45-49

3303

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13406

Females

4317

F45-49

4317

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12509

Females

3876

F45-49

3876

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12709

Females

4096

F45-49

4096

24M→40K

24.0 - 24.9 mi

Top 38%
×1
+6ft-20ft

Overall

11069

Females

3305

F45-49

3305

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10537

Females

3117

F45-49

3117

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

11009

Females

3362

F45-49

3362

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3652*
Passed By
445
Net Change
+3207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17087
5K → 10K637*121+516#17087#16571
10K → 15K372*87+285#16571#16286
15K → 20K539*26+513#16286#15773
20K → HALF1103+107#15773#15666
HALF → 25K293*20+273#15666#15393
25K → 30K539*15+524#15393#14869
30K → 20M19327+166#14869#14703
20M → 21M245*11+234#14703#14469
21M → 35K8837+51#14469#14418
35K → 23M16729+138#14418#14280
23M → 24M12139+82#14280#14198
24M → 40K1368+128#14198#14070
40K → 25.2M726+66#14070#14004
25.2M → FINISH14016+124#14004#13880
TOTALS3652*445+3207

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

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing