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BOSTON MARATHON 2026

Laura Cahill

Bib: 20579•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 39%
Gender (Female)
#0 / 12578
Top 23%
Masters (Masters Women)
#0 / 6862
Top 9%
Age Group (F45-49)
#0 / 1786
Top 9%
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
24:18
3.11 mi
Rank: #15600
Start → 5K
24:18 | 7:50/mi
10K
48:05
6.21 mi
Rank: #14951 (+649)
5K → 10K
23:47 | 7:40/mi
15K
1:11:35
9.32 mi
Rank: #14367 (+584)
10K → 15K
23:30 | 7:34/mi
20K
1:35:12
12.43 mi
Rank: #13961 (+406)
15K → 20K
23:37 | 7:37/mi
HALF
1:40:18
13.11 mi
Rank: #13883 (+78)
20K → HALF
5:06 | 7:29/mi
25K
1:58:38
15.53 mi
Rank: #13538 (+345)
HALF → 25K
18:20 | 7:34/mi
30K
2:22:41
18.64 mi
Rank: #13150 (+388)
25K → 30K
24:03 | 7:45/mi
20M
2:33:09
20.00 mi
Rank: #12938 (+212)
30K → 20M
10:28 | 7:43/mi
21M
2:41:01
21.00 mi
Rank: #12690 (+248)
20M → 21M
7:52 | 7:52/mi
35K
2:46:22
21.75 mi
Rank: #12521 (+169)
21M → 35K
5:21 | 7:10/mi
23M
2:55:35
23.00 mi
Rank: #12232 (+289)
35K → 23M
9:13 | 7:22/mi
24M
3:02:44
24.00 mi
Rank: #11971 (+261)
23M → 24M
7:09 | 7:09/mi
40K
3:08:52
24.85 mi
Rank: #11717 (+254)
24M → 40K
6:08 | 7:11/mi
25.2M
3:11:29
25.20 mi
Rank: #11584 (+133)
40K → 25.2M
2:37 | 7:36/mi
FINISH
3:18:27
26.22 mi
Rank: #11316 (+268)
25.2M → FINISH
6:58 | 6:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:40:18
Pace7:40 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:09
Pace7:30 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:0524:187:5024:18
7:50
-
10K
6.21 mi11:31:5248:057:4523:47
7:40
-0:10
15K
9.32 mi11:55:221:11:357:4123:30
7:34
-0:06
20K
12.43 mi12:18:591:35:127:4023:37
7:37
+0:03
HALF
13.11 mi12:24:051:40:187:405:06
7:29
-0:08
25K
15.53 mi12:42:251:58:387:3918:20
7:34
+0:05
30K
18.64 mi13:06:282:22:417:4024:03
7:45
+0:11
20M
20.00 mi13:16:562:33:097:4010:28
7:43
-0:02
21M
21.00 mi13:24:482:41:017:417:52
7:52
+0:09
35K
21.75 mi13:30:092:46:227:395:21
7:10
-0:42
23M
23.00 mi13:39:222:55:357:399:13
7:22
+0:12
24M
24.00 mi13:46:313:02:447:377:09
7:09
-0:13
40K
24.85 mi13:52:393:08:527:366:08
7:11
+0:02
25.2M
25.20 mi13:55:163:11:297:362:37
7:36
+0:25
FINISH
26.22 mi14:02:143:18:277:356:58
6:51
-0:45

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

6:51 /mi

Average Pace

7:34 /mi

Slowest Pace

7:52 /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

39:55

20% of race

Time at Steady Pace

2:38:32

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi11:08:0524:187:5024:18
7:50
#15600
10K
6.21 mi11:31:5248:057:4523:47
7:40
#14951
15K
9.32 mi11:55:221:11:357:4123:30
7:34
#14367
20K
12.43 mi12:18:591:35:127:4023:37
7:37
#13961
HALF
13.11 mi12:24:051:40:187:405:06
7:29
#13883
25K
15.53 mi12:42:251:58:387:3918:20
7:34
#13538
30K
18.64 mi13:06:282:22:417:4024:03
7:45
#13150
20M
20.00 mi13:16:562:33:097:4010:28
7:43
#12938
21M
21.00 mi13:24:482:41:017:417:52
7:52
#12690
35K
21.75 mi13:30:092:46:227:395:21
7:10
#12521
23M
23.00 mi13:39:222:55:357:399:13
7:22
#12232
24M
24.00 mi13:46:313:02:447:377:09
7:09
#11971
40K
24.85 mi13:52:393:08:527:366:08
7:11
#11717
25.2M
25.20 mi13:55:163:11:297:362:37
7:36
#11584
FINISH
26.22 mi14:02:143:18:277:356:58
6:51
#11316
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 mi156005056505613364(Top 46%)3776(Top 30%)3776(Top 211%)
10K6.21 mi3.10 mi14951+6494678+3784678+37814374(Top 50%)4331(Top 34%)4331(Top 242%)
15K9.32 mi3.11 mi14367+5844341+3374341+33713364(Top 46%)3776(Top 30%)3776(Top 211%)
20K12.43 mi3.11 mi13961+4064117+2244117+22412855(Top 44%)3583(Top 28%)3583(Top 201%)
HALF13.11 mi0.68 mi13883+784078+394078+3912890(Top 44%)3511(Top 28%)3511(Top 197%)
25K15.53 mi2.42 mi13538+3453897+1813897+18111940(Top 41%)3136(Top 25%)3136(Top 176%)
30K18.64 mi3.11 mi13150+3883736+1613736+16111548(Top 40%)3059(Top 24%)3059(Top 171%)
20M20.00 mi1.36 mi12938+2123649+873649+8710665(Top 37%)2717(Top 22%)2717(Top 152%)
21M21.00 mi1.00 mi12690+2483537+1123537+1129037(Top 31%)2053(Top 16%)2053(Top 115%)
35K21.75 mi0.75 mi12521+1693447+903447+908273(Top 29%)1699(Top 14%)1699(Top 95%)
23M23.00 mi1.25 mi12232+2893304+1433304+1437932(Top 27%)1615(Top 13%)1615(Top 90%)
24M24.00 mi1.00 mi11971+2613186+1183186+1187576(Top 26%)1547(Top 12%)1547(Top 87%)
40K24.85 mi0.85 mi11717+2543064+1223064+1226644(Top 23%)1242(Top 10%)1242(Top 70%)
25.2M25.20 mi0.35 mi11584+1333017+473017+475885(Top 20%)1058(Top 8%)1058(Top 59%)
FINISH26.22 mi1.02 mi11316+2682895+1222895+1226425(Top 22%)1275(Top 10%)1275(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21
+97ft-345ft

Overall

13364

Females

3776

F45-49

3776

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14374

Females

4331

F45-49

4331

10K→15K

6.2 - 9.3 mi

Top 46%
×3
+67ft-78ft

Overall

13364

Females

3776

F45-49

3776

15K→20K

9.3 - 12.4 mi

Top 44%
×5
+106ft-86ft

Overall

12855

Females

3583

F45-49

3583

20K→HALF

12.4 - 13.1 mi

Top 44%
×2
+19ft-37ft

Overall

12890

Females

3511

F45-49

3511

HALF→25K

13.1 - 15.5 mi

Top 41%
×4
+66ft-88ft

Overall

11940

Females

3136

F45-49

3136

25K→30K

15.5 - 18.6 mi

Top 40%
×9
+181ft-148ft

Overall

11548

Females

3059

F45-49

3059

30K→20M

18.6 - 20.0 mi

Top 37%
×5
+64ft-50ft

Overall

10665

Females

2717

F45-49

2717

20M→21M

20.0 - 21.0 mi

Top 31%
×8
+106ft-24ft

Overall

9037

Females

2053

F45-49

2053

21M→35K

21.0 - 21.8 mi

Top 29%
×7
+17ft-86ft

Overall

8273

Females

1699

F45-49

1699

35K→23M

21.8 - 23.0 mi

Top 27%
×5
+23ft-63ft

Overall

7932

Females

1615

F45-49

1615

23M→24M

23.0 - 24.0 mi

Top 26%
×6
+12ft-82ft

Overall

7576

Females

1547

F45-49

1547

24M→40K

24.0 - 24.9 mi

Top 23%
×1
+6ft-20ft

Overall

6644

Females

1242

F45-49

1242

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1
+13ft-16ft

Overall

5885

Females

1058

F45-49

1058

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6425

Females

1275

F45-49

1275

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4483
Passed By
199
Net Change
+4284
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15600
5K → 10K73081+649#15600#14951
10K → 15K61531+584#14951#14367
15K → 20K43428+406#14367#13961
20K → HALF813+78#13961#13883
HALF → 25K3505+345#13883#13538
25K → 30K41123+388#13538#13150
30K → 20M22917+212#13150#12938
20M → 21M2513+248#12938#12690
21M → 35K1690+169#12690#12521
35K → 23M2912+289#12521#12232
23M → 24M2632+261#12232#11971
24M → 40K2540+254#11971#11717
40K → 25.2M1341+133#11717#11584
25.2M → FINISH2713+268#11584#11316
TOTALS4483199+4284
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing