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BOSTON MARATHON 2026

Ellie Swemba-Grimmer

Bib: 14049•F

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 43%
Gender (Female)
#0 / 12578
Top 29%
Masters (Masters Women)
#0 / 6862
Top 13%
Age Group (F40-44)
#0 / 1737
Top 29%
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
23:05
3.11 mi
Rank: #12218
Start → 5K
23:05 | 7:26/mi
10K
45:50
6.21 mi
Rank: #11781 (+437)
5K → 10K
22:45 | 7:20/mi
15K
1:08:26
9.32 mi
Rank: #11432 (+349)
10K → 15K
22:36 | 7:17/mi
20K
1:31:20
12.43 mi
Rank: #11286 (+146)
15K → 20K
22:54 | 7:23/mi
HALF
1:36:22
13.11 mi
Rank: #11316 (-30)
20K → HALF
5:02 | 7:24/mi
25K
1:54:28
15.53 mi
Rank: #11265 (+51)
HALF → 25K
18:06 | 7:28/mi
30K
2:18:29
18.64 mi
Rank: #11287 (-22)
25K → 30K
24:01 | 7:44/mi
20M
2:28:54
20.00 mi
Rank: #11202 (+85)
30K → 20M
10:25 | 7:41/mi
21M
2:37:14
21.00 mi
Rank: #11204 (-2)
20M → 21M
8:20 | 8:20/mi
35K
2:43:18
21.75 mi
Rank: #11327 (-123)
21M → 35K
6:04 | 8:07/mi
23M
2:53:39
23.00 mi
Rank: #11497 (-170)
35K → 23M
10:21 | 8:17/mi
24M
3:02:22
24.00 mi
Rank: #11826 (-329)
23M → 24M
8:43 | 8:43/mi
40K
3:10:07
24.85 mi
Rank: #12152 (-326)
24M → 40K
7:45 | 9:04/mi
25.2M
3:13:46
25.20 mi
Rank: #12366 (-214)
40K → 25.2M
3:39 | 10:36/mi
FINISH
3:22:24
26.22 mi
Rank: #12597 (-231)
25.2M → FINISH
8:38 | 8:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:22
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:46:02
Pace8:06 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1623:057:2623:05
7:26
-
10K
6.21 mi11:16:0145:507:2322:45
7:20
-0:06
15K
9.32 mi11:38:371:08:267:2122:36
7:17
-0:03
20K
12.43 mi12:01:311:31:207:2122:54
7:23
+0:06
HALF
13.11 mi12:06:331:36:227:225:02
7:24
+0:01
25K
15.53 mi12:24:391:54:287:2318:06
7:28
+0:04
30K
18.64 mi12:48:402:18:297:2624:01
7:44
+0:16
20M
20.00 mi12:59:052:28:547:2710:25
7:41
-0:03
21M
21.00 mi13:07:252:37:147:308:20
8:20
+0:39
35K
21.75 mi13:13:292:43:187:316:04
8:07
-0:13
23M
23.00 mi13:23:502:53:397:3410:21
8:17
+0:10
24M
24.00 mi13:32:333:02:227:368:43
8:43
+0:26
40K
24.85 mi13:40:183:10:077:397:45
9:04
+0:21
25.2M
25.20 mi13:43:573:13:467:423:39
10:36
+1:32
FINISH
26.22 mi13:52:353:22:247:448:38
8:29
-2:07

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

7:17 /mi

Average Pace

7:44 /mi

Slowest Pace

10:36 /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

22:36

11% of race

Time at Steady Pace

2:12:22

65% of race

Time at Slower Pace

47:26

23% of race

Average Pace: 7:43 /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 mi10:53:1623:057:2623:05
7:26
#12218
10K
6.21 mi11:16:0145:507:2322:45
7:20
#11781
15K
9.32 mi11:38:371:08:267:2122:36
7:17
#11432
20K
12.43 mi12:01:311:31:207:2122:54
7:23
#11286
HALF
13.11 mi12:06:331:36:227:225:02
7:24
#11316
25K
15.53 mi12:24:391:54:287:2318:06
7:28
#11265
30K
18.64 mi12:48:402:18:297:2624:01
7:44
#11287
20M
20.00 mi12:59:052:28:547:2710:25
7:41
#11202
21M
21.00 mi13:07:252:37:147:308:20
8:20
#11204
35K
21.75 mi13:13:292:43:187:316:04
8:07
#11327
23M
23.00 mi13:23:502:53:397:3410:21
8:17
#11497
24M
24.00 mi13:32:333:02:227:368:43
8:43
#11826
40K
24.85 mi13:40:183:10:077:397:45
9:04
#12152
25.2M
25.20 mi13:43:573:13:467:423:39
10:36
#12366
FINISH
26.22 mi13:52:353:22:247:448:38
8:29
#12597
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 mi122183042304210832(Top 37%)2389(Top 19%)2389(Top 138%)
10K6.21 mi3.10 mi11781+4372810+2322810+23211376(Top 39%)2644(Top 21%)2644(Top 152%)
15K9.32 mi3.11 mi11432+3492659+1512659+15110832(Top 37%)2389(Top 19%)2389(Top 138%)
20K12.43 mi3.11 mi11286+1462612+472612+4710883(Top 38%)2519(Top 20%)2519(Top 145%)
HALF13.11 mi0.68 mi11316-302634-222634-2212059(Top 42%)3073(Top 24%)3073(Top 177%)
25K15.53 mi2.42 mi11265+512623+112623+1111156(Top 38%)2726(Top 22%)2726(Top 157%)
30K18.64 mi3.11 mi11287-222687-642687-6411483(Top 40%)3023(Top 24%)3023(Top 174%)
20M20.00 mi1.36 mi11202+852673+142673+1410415(Top 36%)2612(Top 21%)2612(Top 150%)
21M21.00 mi1.00 mi11204-22702-292702-2912107(Top 42%)3586(Top 29%)3586(Top 206%)
35K21.75 mi0.75 mi11327-1232767-652767-6515219(Top 52%)5292(Top 42%)5292(Top 305%)
23M23.00 mi1.25 mi11497-1702883-1162883-11614268(Top 49%)4846(Top 39%)4846(Top 279%)
24M24.00 mi1.00 mi11826-3293104-2213104-22118113(Top 62%)7036(Top 56%)7036(Top 405%)
40K24.85 mi0.85 mi12152-3263326-2223326-22218702(Top 64%)7416(Top 59%)7416(Top 427%)
25.2M25.20 mi0.35 mi12366-2143433-1073433-10721311(Top 73%)8711(Top 69%)8711(Top 501%)
FINISH26.22 mi1.02 mi12597-2313595-1623595-16218010(Top 62%)7045(Top 56%)7045(Top 406%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21
+97ft-345ft

Overall

10832

Females

2389

F40-44

2389

5K→10K

3.1 - 6.2 mi

Top 39%
×5
+79ft-138ft

Overall

11376

Females

2644

F40-44

2644

10K→15K

6.2 - 9.3 mi

Top 37%
×3
+67ft-78ft

Overall

10832

Females

2389

F40-44

2389

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

10883

Females

2519

F40-44

2519

20K→HALF

12.4 - 13.1 mi

Top 42%
×2
+19ft-37ft

Overall

12059

Females

3073

F40-44

3073

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

11156

Females

2726

F40-44

2726

25K→30K

15.5 - 18.6 mi

Top 40%
×9
+181ft-148ft

Overall

11483

Females

3023

F40-44

3023

30K→20M

18.6 - 20.0 mi

Top 36%
×5
+64ft-50ft

Overall

10415

Females

2612

F40-44

2612

20M→21M

20.0 - 21.0 mi

Top 42%
×8
+106ft-24ft

Overall

12107

Females

3586

F40-44

3586

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

15219

Females

5292

F40-44

5292

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14268

Females

4846

F40-44

4846

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

18113

Females

7036

F40-44

7036

24M→40K

24.0 - 24.9 mi

Top 64%
×1
+6ft-20ft

Overall

18702

Females

7416

F40-44

7416

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1
+13ft-16ft

Overall

21311

Females

8711

F40-44

8711

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18010

Females

7045

F40-44

7045

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1920
Passed By
2299
Net Change
-379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12218
5K → 10K537100+437#12218#11781
10K → 15K40859+349#11781#11432
15K → 20K22680+146#11432#11286
20K → HALF1646-30#11286#11316
HALF → 25K14089+51#11316#11265
25K → 30K195217-22#11265#11287
30K → 20M13752+85#11287#11202
20M → 21M9496-2#11202#11204
21M → 35K24147-123#11204#11327
35K → 23M57227-170#11327#11497
23M → 24M34363-329#11497#11826
24M → 40K25351-326#11826#12152
40K → 25.2M7221-214#12152#12366
25.2M → FINISH20251-231#12366#12597
TOTALS19202299-379
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing