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BOSTON MARATHON 2026

Molly Halcom

Bib: 11816•F

FL

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
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
26:27
3.11 mi
Rank: #20174
Start → 5K
26:27 | 8:31/mi
10K
53:55
6.21 mi
Rank: #21202 (-1028)
5K → 10K
27:28 | 8:51/mi
15K
1:21:53
9.32 mi
Rank: #21717 (-515)
10K → 15K
27:58 | 9:01/mi
20K
1:48:41
12.43 mi
Rank: #21275 (+442)
15K → 20K
26:48 | 8:38/mi
HALF
1:54:35
13.11 mi
Rank: #21257 (+18)
20K → HALF
5:54 | 8:40/mi
25K
2:16:09
15.53 mi
Rank: #21167 (+90)
HALF → 25K
21:34 | 8:54/mi
30K
2:46:21
18.64 mi
Rank: #21414 (-247)
25K → 30K
30:12 | 9:44/mi
20M
2:59:27
20.00 mi
Rank: #21425 (-11)
30K → 20M
13:06 | 9:39/mi
21M
3:09:46
21.00 mi
Rank: #21449 (-24)
20M → 21M
10:19 | 10:19/mi
35K
3:17:11
21.75 mi
Rank: #21529 (-80)
21M → 35K
7:25 | 9:55/mi
23M
3:29:54
23.00 mi
Rank: #21625 (-96)
35K → 23M
12:43 | 10:10/mi
24M
3:40:10
24.00 mi
Rank: #21784 (-159)
23M → 24M
10:16 | 10:16/mi
40K
3:49:02
24.85 mi
Rank: #21870 (-86)
24M → 40K
8:52 | 10:23/mi
25.2M
3:52:51
25.20 mi
Rank: #21881 (-11)
40K → 25.2M
3:49 | 11:05/mi
FINISH
4:03:13
26.22 mi
Rank: #21973 (-92)
25.2M → FINISH
10:22 | 10:11/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:35
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:08:38
Pace9:49 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4426:278:3126:27
8:31
-
10K
6.21 mi11:14:1253:558:4127:28
8:51
+0:20
15K
9.32 mi11:42:101:21:538:4827:58
9:01
+0:10
20K
12.43 mi12:08:581:48:418:4526:48
8:38
-0:23
HALF
13.11 mi12:14:521:54:358:455:54
8:40
+0:02
25K
15.53 mi12:36:262:16:098:4621:34
8:54
+0:14
30K
18.64 mi13:06:382:46:218:5630:12
9:44
+0:50
20M
20.00 mi13:19:442:59:278:5913:06
9:39
-0:05
21M
21.00 mi13:30:033:09:469:0310:19
10:19
+0:40
35K
21.75 mi13:37:283:17:119:057:25
9:55
-0:24
23M
23.00 mi13:50:113:29:549:0812:43
10:10
+0:15
24M
24.00 mi14:00:273:40:109:1110:16
10:16
+0:06
40K
24.85 mi14:09:193:49:029:138:52
10:23
+0:07
25.2M
25.20 mi14:13:083:52:519:153:49
11:05
+0:42
FINISH
26.22 mi14:23:304:03:139:1710:22
10:11
-0:54

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

8:31 /mi

Average Pace

9:17 /mi

Slowest Pace

11:05 /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

2:16:09

56% of race

Time at Steady Pace

50:43

21% of race

Time at Slower Pace

56:21

23% of race

Average Pace: 9:17 /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 mi10:46:4426:278:3126:27
8:31
#20174
10K
6.21 mi11:14:1253:558:4127:28
8:51
#21202
15K
9.32 mi11:42:101:21:538:4827:58
9:01
#21717
20K
12.43 mi12:08:581:48:418:4526:48
8:38
#21275
HALF
13.11 mi12:14:521:54:358:455:54
8:40
#21257
25K
15.53 mi12:36:262:16:098:4621:34
8:54
#21167
30K
18.64 mi13:06:382:46:218:5630:12
9:44
#21414
20M
20.00 mi13:19:442:59:278:5913:06
9:39
#21425
21M
21.00 mi13:30:033:09:469:0310:19
10:19
#21449
35K
21.75 mi13:37:283:17:119:057:25
9:55
#21529
23M
23.00 mi13:50:113:29:549:0812:43
10:10
#21625
24M
24.00 mi14:00:273:40:109:1110:16
10:16
#21784
40K
24.85 mi14:09:193:49:029:138:52
10:23
#21870
25.2M
25.20 mi14:13:083:52:519:153:49
11:05
#21881
FINISH
26.22 mi14:23:304:03:139:1710:22
10:11
#21973
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi201747732773222712(Top 78%)8980(Top 71%)8980(Top 728%)
10K6.21 mi3.10 mi21202-10288256-5248256-52422104(Top 76%)8706(Top 69%)8706(Top 706%)
15K9.32 mi3.11 mi21717-5158517-2618517-26122712(Top 78%)8980(Top 71%)8980(Top 728%)
20K12.43 mi3.11 mi21275+4428303+2148303+21420036(Top 69%)7654(Top 61%)7654(Top 621%)
HALF13.11 mi0.68 mi21257+188295+88295+821157(Top 73%)8208(Top 65%)8208(Top 666%)
25K15.53 mi2.42 mi21167+908251+448251+4420691(Top 71%)8015(Top 64%)8015(Top 650%)
30K18.64 mi3.11 mi21414-2478385-1348385-13422337(Top 77%)8937(Top 71%)8937(Top 725%)
20M20.00 mi1.36 mi21425-118405-208405-2021566(Top 74%)8633(Top 69%)8633(Top 700%)
21M21.00 mi1.00 mi21449-248431-268431-2621466(Top 74%)8623(Top 69%)8623(Top 699%)
35K21.75 mi0.75 mi21529-808480-498480-4922928(Top 79%)9412(Top 75%)9412(Top 763%)
23M23.00 mi1.25 mi21625-968540-608540-6022561(Top 78%)9280(Top 74%)9280(Top 753%)
24M24.00 mi1.00 mi21784-1598642-1028642-10223526(Top 81%)9816(Top 78%)9816(Top 796%)
40K24.85 mi0.85 mi21870-868696-548696-5422889(Top 79%)9550(Top 76%)9550(Top 775%)
25.2M25.20 mi0.35 mi21881-118702-68702-622553(Top 78%)9360(Top 74%)9360(Top 759%)
FINISH26.22 mi1.02 mi21973-928766-648766-6424298(Top 84%)10272(Top 82%)10272(Top 833%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21
+97ft-345ft

Overall

22712

Females

8980

F50-54

8980

5K→10K

3.1 - 6.2 mi

Top 76%
×5
+79ft-138ft

Overall

22104

Females

8706

F50-54

8706

10K→15K

6.2 - 9.3 mi

Top 78%
×3
+67ft-78ft

Overall

22712

Females

8980

F50-54

8980

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

20036

Females

7654

F50-54

7654

20K→HALF

12.4 - 13.1 mi

Top 73%
×2
+19ft-37ft

Overall

21157

Females

8208

F50-54

8208

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20691

Females

8015

F50-54

8015

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22337

Females

8937

F50-54

8937

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21566

Females

8633

F50-54

8633

20M→21M

20.0 - 21.0 mi

Top 74%
×8
+106ft-24ft

Overall

21466

Females

8623

F50-54

8623

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

22928

Females

9412

F50-54

9412

35K→23M

21.8 - 23.0 mi

Top 78%
×5
+23ft-63ft

Overall

22561

Females

9280

F50-54

9280

23M→24M

23.0 - 24.0 mi

Top 81%
×6
+12ft-82ft

Overall

23526

Females

9816

F50-54

9816

24M→40K

24.0 - 24.9 mi

Top 79%
×1
+6ft-20ft

Overall

22889

Females

9550

F50-54

9550

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1
+13ft-16ft

Overall

22553

Females

9360

F50-54

9360

25.2M→FINISH

25.2 - 26.2 mi

Top 84%
×2
+22ft-21ft

Overall

24298

Females

10272

F50-54

10272

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1159
Passed By
2958
Net Change
-1799
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20174
5K → 10K471075-1028#20174#21202
10K → 15K48563-515#21202#21717
15K → 20K46119+442#21717#21275
20K → HALF4426+18#21275#21257
HALF → 25K15868+90#21257#21167
25K → 30K89336-247#21167#21414
30K → 20M8899-11#21414#21425
20M → 21M78102-24#21425#21449
21M → 35K1999-80#21449#21529
35K → 23M46142-96#21529#21625
23M → 24M18177-159#21625#21784
24M → 40K28114-86#21784#21870
40K → 25.2M1627-11#21870#21881
25.2M → FINISH19111-92#21881#21973
TOTALS11592958-1799

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📊

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