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BOSTON MARATHON 2026

Ronda Sims

Bib: 25803•F

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F60-64)
#0 / 782
Top 36%
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
28:27
3.11 mi
Rank: #23311
Start → 5K
28:27 | 9:10/mi
10K
57:47
6.21 mi
Rank: #23897 (-586)
5K → 10K
29:20 | 9:27/mi
15K
1:25:55
9.32 mi
Rank: #23622 (+275)
10K → 15K
28:08 | 9:04/mi
20K
1:54:58
12.43 mi
Rank: #23561 (+61)
15K → 20K
29:03 | 9:22/mi
HALF
2:01:44
13.11 mi
Rank: #23662 (-101)
20K → HALF
6:46 | 9:56/mi
25K
2:24:22
15.53 mi
Rank: #23446 (+216)
HALF → 25K
22:38 | 9:20/mi
30K
2:55:00
18.64 mi
Rank: #23287 (+159)
25K → 30K
30:38 | 9:52/mi
20M
3:08:08
20.00 mi
Rank: #23138 (+149)
30K → 20M
13:08 | 9:41/mi
21M
3:17:48
21.00 mi
Rank: #22903 (+235)
20M → 21M
9:40 | 9:40/mi
35K
3:24:52
21.75 mi
Rank: #22864 (+39)
21M → 35K
7:04 | 9:27/mi
23M
3:36:06
23.00 mi
Rank: #22637 (+227)
35K → 23M
11:14 | 8:59/mi
24M
3:44:34
24.00 mi
Rank: #22433 (+204)
23M → 24M
8:28 | 8:28/mi
40K
3:51:58
24.85 mi
Rank: #22249 (+184)
24M → 40K
7:24 | 8:40/mi
25.2M
3:55:09
25.20 mi
Rank: #22178 (+71)
40K → 25.2M
3:11 | 9:14/mi
FINISH
4:03:44
26.22 mi
Rank: #22037 (+141)
25.2M → FINISH
8:35 | 8:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time2:01:44
Pace9:18 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:02:00
Pace9:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:0828:279:1028:27
9:10
-
10K
6.21 mi12:05:2857:479:1829:20
9:27
+0:17
15K
9.32 mi12:33:361:25:559:1428:08
9:04
-0:23
20K
12.43 mi13:02:391:54:589:1629:03
9:22
+0:18
HALF
13.11 mi13:09:252:01:449:186:46
9:56
+0:34
25K
15.53 mi13:32:032:24:229:1822:38
9:20
-0:36
30K
18.64 mi14:02:412:55:009:2430:38
9:52
+0:32
20M
20.00 mi14:15:493:08:089:2513:08
9:41
-0:11
21M
21.00 mi14:25:293:17:489:269:40
9:40
-0:01
35K
21.75 mi14:32:333:24:529:267:04
9:27
-0:13
23M
23.00 mi14:43:473:36:069:2411:14
8:59
-0:28
24M
24.00 mi14:52:153:44:349:228:28
8:28
-0:31
40K
24.85 mi14:59:393:51:589:207:24
8:40
+0:12
25.2M
25.20 mi15:02:503:55:099:203:11
9:14
+0:34
FINISH
26.22 mi15:11:254:03:449:198:35
8:26
-0:48

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

8:26 /mi

Average Pace

9:18 /mi

Slowest Pace

9:56 /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

1:35:27

39% of race

Time at Steady Pace

2:28:17

61% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:18 /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 mi11:36:0828:279:1028:27
9:10
#23311
10K
6.21 mi12:05:2857:479:1829:20
9:27
#23897
15K
9.32 mi12:33:361:25:559:1428:08
9:04
#23622
20K
12.43 mi13:02:391:54:589:1629:03
9:22
#23561
HALF
13.11 mi13:09:252:01:449:186:46
9:56
#23662
25K
15.53 mi13:32:032:24:229:1822:38
9:20
#23446
30K
18.64 mi14:02:412:55:009:2430:38
9:52
#23287
20M
20.00 mi14:15:493:08:089:2513:08
9:41
#23138
21M
21.00 mi14:25:293:17:489:269:40
9:40
#22903
35K
21.75 mi14:32:333:24:529:267:04
9:27
#22864
23M
23.00 mi14:43:473:36:069:2411:14
8:59
#22637
24M
24.00 mi14:52:153:44:349:228:28
8:28
#22433
40K
24.85 mi14:59:393:51:589:207:24
8:40
#22249
25.2M
25.20 mi15:02:503:55:099:203:11
9:14
#22178
FINISH
26.22 mi15:11:254:03:449:198:35
8:26
#22037
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi233119325932522953(Top 79%)9119(Top 72%)9119(Top 1166%)
10K6.21 mi3.10 mi23897-5869605-2809605-28024392(Top 84%)9857(Top 78%)9857(Top 1260%)
15K9.32 mi3.11 mi23622+2759464+1419464+14122953(Top 79%)9119(Top 72%)9119(Top 1166%)
20K12.43 mi3.11 mi23561+619436+289436+2823293(Top 80%)9337(Top 74%)9337(Top 1194%)
HALF13.11 mi0.68 mi23662-1019491-559491-5525504(Top 88%)10485(Top 83%)10485(Top 1341%)
25K15.53 mi2.42 mi23446+2169397+949397+9422508(Top 78%)8934(Top 71%)8934(Top 1142%)
30K18.64 mi3.11 mi23287+1599361+369361+3622746(Top 78%)9149(Top 73%)9149(Top 1170%)
20M20.00 mi1.36 mi23138+1499309+529309+5221640(Top 75%)8667(Top 69%)8667(Top 1108%)
21M21.00 mi1.00 mi22903+2359186+1239186+12319286(Top 66%)7484(Top 60%)7484(Top 957%)
35K21.75 mi0.75 mi22864+399174+129174+1221612(Top 74%)8751(Top 70%)8751(Top 1119%)
23M23.00 mi1.25 mi22637+2279079+959079+9518417(Top 63%)7187(Top 57%)7187(Top 919%)
24M24.00 mi1.00 mi22433+2048980+998980+9916755(Top 58%)6337(Top 50%)6337(Top 810%)
40K24.85 mi0.85 mi22249+1848894+868894+8616663(Top 57%)6352(Top 51%)6352(Top 812%)
25.2M25.20 mi0.35 mi22178+718867+278867+2716091(Top 55%)6045(Top 48%)6045(Top 773%)
FINISH26.22 mi1.02 mi22037+1418800+678800+6717790(Top 61%)6947(Top 55%)6947(Top 888%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22953

Females

9119

F60-64

9119

5K→10K

3.1 - 6.2 mi

Top 84%
×5
+79ft-138ft

Overall

24392

Females

9857

F60-64

9857

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22953

Females

9119

F60-64

9119

15K→20K

9.3 - 12.4 mi

Top 80%
×5
+106ft-86ft

Overall

23293

Females

9337

F60-64

9337

20K→HALF

12.4 - 13.1 mi

Top 88%
×2
+19ft-37ft

Overall

25504

Females

10485

F60-64

10485

HALF→25K

13.1 - 15.5 mi

Top 78%
×4
+66ft-88ft

Overall

22508

Females

8934

F60-64

8934

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22746

Females

9149

F60-64

9149

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21640

Females

8667

F60-64

8667

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19286

Females

7484

F60-64

7484

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21612

Females

8751

F60-64

8751

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18417

Females

7187

F60-64

7187

23M→24M

23.0 - 24.0 mi

Top 58%
×6
+12ft-82ft

Overall

16755

Females

6337

F60-64

6337

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16663

Females

6352

F60-64

6352

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1
+13ft-16ft

Overall

16091

Females

6045

F60-64

6045

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17790

Females

6947

F60-64

6947

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2304
Passed By
1030
Net Change
+1274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23311
5K → 10K53639-586#23311#23897
10K → 15K31742+275#23897#23622
15K → 20K182121+61#23622#23561
20K → HALF4105-101#23561#23662
HALF → 25K23721+216#23662#23446
25K → 30K22263+159#23446#23287
30K → 20M16213+149#23287#23138
20M → 21M2394+235#23138#22903
21M → 35K5415+39#22903#22864
35K → 23M2292+227#22864#22637
23M → 24M2040+204#22637#22433
24M → 40K1862+184#22433#22249
40K → 25.2M710+71#22249#22178
25.2M → FINISH1443+141#22178#22037
TOTALS23041030+1274
📊

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