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BOSTON MARATHON 2026

Martha Spencer

Bib: 13160•F

BC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 18%
Gender (Female)
#0 / 12578
Top 4%
Masters (Masters Women)
#0 / 6862
Top 0.8%
Age Group (F40-44)
#0 / 1737
Top 2%
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
21:52
3.11 mi
Rank: #8865
Start → 5K
21:52 | 7:03/mi
10K
43:16
6.21 mi
Rank: #8314 (+551)
5K → 10K
21:24 | 6:54/mi
15K
1:04:42
9.32 mi
Rank: #8142 (+172)
10K → 15K
21:26 | 6:54/mi
20K
1:26:02
12.43 mi
Rank: #7770 (+372)
15K → 20K
21:20 | 6:52/mi
HALF
1:30:35
13.11 mi
Rank: #7683 (+87)
20K → HALF
4:33 | 6:41/mi
25K
1:47:04
15.53 mi
Rank: #7350 (+333)
HALF → 25K
16:29 | 6:48/mi
30K
2:08:05
18.64 mi
Rank: #6709 (+641)
25K → 30K
21:01 | 6:46/mi
20M
2:17:10
20.00 mi
Rank: #6399
30K → 20M
9:05 | 6:42/mi
21M
2:24:09
21.00 mi
Rank: #6177
20M → 21M
6:59 | 6:59/mi
35K
2:28:54
21.75 mi
Rank: #6002
21M → 35K
4:45 | 6:21/mi
23M
2:37:12
23.00 mi
Rank: #5739
35K → 23M
8:18 | 6:38/mi
24M
2:43:41
24.00 mi
Rank: #5562
23M → 24M
6:29 | 6:29/mi
40K
2:49:23
24.85 mi
Rank: #5440
24M → 40K
5:42 | 6:40/mi
25.2M
2:51:54
25.20 mi
Rank: #5398
40K → 25.2M
2:31 | 7:18/mi
FINISH
2:58:36
26.22 mi
Rank: #5332
25.2M → FINISH
6:42 | 6:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:30:35
Pace6:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:01
Pace6:43 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4321:527:0321:52
7:03
-
10K
6.21 mi11:12:0743:166:5821:24
6:54
-0:09
15K
9.32 mi11:33:331:04:426:5721:26
6:54
0:00
20K
12.43 mi11:54:531:26:026:5621:20
6:52
-0:02
HALF
13.11 mi11:59:261:30:356:554:33
6:41
-0:11
25K
15.53 mi12:15:551:47:046:5416:29
6:48
+0:07
30K
18.64 mi12:36:562:08:056:5321:01
6:46
-0:02
20M
20.00 mi12:46:012:17:106:529:05
6:42
-0:04
21M
21.00 mi12:53:002:24:096:526:59
6:59
+0:17
35K
21.75 mi12:57:452:28:546:514:45
6:21
-0:38
23M
23.00 mi13:06:032:37:126:518:18
6:38
+0:17
24M
24.00 mi13:12:322:43:416:506:29
6:29
-0:09
40K
24.85 mi13:18:142:49:236:495:42
6:40
+0:11
25.2M
25.20 mi13:20:452:51:546:502:31
7:18
+0:38
FINISH
26.22 mi13:27:272:58:366:506:42
6:35
-0:43

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

6:21 /mi

Average Pace

6:49 /mi

Slowest Pace

7:18 /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

2:34:13

86% of race

Time at Steady Pace

24:23

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:50:4321:527:0321:52
7:03
#8865
10K
6.21 mi11:12:0743:166:5821:24
6:54
#8314
15K
9.32 mi11:33:331:04:426:5721:26
6:54
#8142
20K
12.43 mi11:54:531:26:026:5621:20
6:52
#7770
HALF
13.11 mi11:59:261:30:356:554:33
6:41
#7683
25K
15.53 mi12:15:551:47:046:5416:29
6:48
#7350
30K
18.64 mi12:36:562:08:056:5321:01
6:46
#6709
20M
20.00 mi12:46:012:17:106:529:05
6:42
#6399
21M
21.00 mi12:53:002:24:096:526:59
6:59
#6177
35K
21.75 mi12:57:452:28:546:514:45
6:21
#6002
23M
23.00 mi13:06:032:37:126:518:18
6:38
#5739
24M
24.00 mi13:12:322:43:416:506:29
6:29
#5562
40K
24.85 mi13:18:142:49:236:495:42
6:40
#5440
25.2M
25.20 mi13:20:452:51:546:502:31
7:18
#5398
FINISH
26.22 mi13:27:272:58:366:506:42
6:35
#5332
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8865135513557792(Top 27%)1036(Top 8%)1036(Top 60%)
10K6.21 mi3.10 mi8314+5511200+1551200+1557829(Top 27%)1023(Top 8%)1023(Top 59%)
15K9.32 mi3.11 mi8142+1721144+561144+567792(Top 27%)1036(Top 8%)1036(Top 60%)
20K12.43 mi3.11 mi7770+3721019+1251019+1256808(Top 23%)779(Top 6%)779(Top 45%)
HALF13.11 mi0.68 mi7683+87993+26993+266023(Top 21%)582(Top 5%)582(Top 34%)
25K15.53 mi2.42 mi7350+333906+87906+875794(Top 20%)571(Top 5%)571(Top 33%)
30K18.64 mi3.11 mi6709+641742+164742+1644120(Top 14%)297(Top 2%)297(Top 17%)
20M20.00 mi1.36 mi6399+310685+57685+573427(Top 12%)233(Top 2%)233(Top 13%)
21M21.00 mi1.00 mi6177+222643+42643+423396(Top 12%)273(Top 2%)273(Top 16%)
35K21.75 mi0.75 mi6002+175609+34609+342794(Top 10%)181(Top 1%)181(Top 10%)
23M23.00 mi1.25 mi5739+263559+50559+503120(Top 11%)237(Top 2%)237(Top 14%)
24M24.00 mi1.00 mi5562+177527+32527+323113(Top 11%)281(Top 2%)281(Top 16%)
40K24.85 mi0.85 mi5440+122502+25502+253456(Top 12%)352(Top 3%)352(Top 20%)
25.2M25.20 mi0.35 mi5398+42499+3499+34175(Top 14%)555(Top 4%)555(Top 32%)
FINISH26.22 mi1.02 mi5332+66508-9508-94648(Top 16%)692(Top 6%)692(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21
+97ft-345ft

Overall

7792

Females

1036

F40-44

1036

5K→10K

3.1 - 6.2 mi

Top 27%
×5
+79ft-138ft

Overall

7829

Females

1023

F40-44

1023

10K→15K

6.2 - 9.3 mi

Top 27%
×3
+67ft-78ft

Overall

7792

Females

1036

F40-44

1036

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6808

Females

779

F40-44

779

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6023

Females

582

F40-44

582

HALF→25K

13.1 - 15.5 mi

Top 20%
×4
+66ft-88ft

Overall

5794

Females

571

F40-44

571

25K→30K

15.5 - 18.6 mi

Top 14%
×9
+181ft-148ft

Overall

4120

Females

297

F40-44

297

30K→20M

18.6 - 20.0 mi

Top 12%
×5
+64ft-50ft

Overall

3427

Females

233

F40-44

233

20M→21M

20.0 - 21.0 mi

Top 12%
×8
+106ft-24ft

Overall

3396

Females

273

F40-44

273

21M→35K

21.0 - 21.8 mi

Top 10%
×7
+17ft-86ft

Overall

2794

Females

181

F40-44

181

35K→23M

21.8 - 23.0 mi

Top 11%
×5
+23ft-63ft

Overall

3120

Females

237

F40-44

237

23M→24M

23.0 - 24.0 mi

Top 11%
×6
+12ft-82ft

Overall

3113

Females

281

F40-44

281

24M→40K

24.0 - 24.9 mi

Top 12%
×1
+6ft-20ft

Overall

3456

Females

352

F40-44

352

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1
+13ft-16ft

Overall

4175

Females

555

F40-44

555

25.2M→FINISH

25.2 - 26.2 mi

Top 16%
×2
+22ft-21ft

Overall

4648

Females

692

F40-44

692

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 3 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing