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BOSTON MARATHON 2025

Ronda Sims

Bib: 24831•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:01/mi
28:00
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
56:33
↑ 79↓ 1380.4%
15K· 9.32 mi
9:11/mi
1:25:04
↑ 67↓ 78
20K· 12.43 mi
9:15/mi
1:53:49
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:59:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:45/mi
2:23:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:54/mi
2:54:19
↑ 181↓ 1480.2%
20M
9:49/mi
3:07:40
↑ 64↓ 500.2%
21M
11:10/mi
3:18:50
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:26:07
↑ 17↓ 861.7%
23M
9:32/mi
3:38:03
↑ 23↓ 630.6%
24M
9:51/mi
3:47:54
↓ 821.3%
40K· 24.85 mi
9:31/mi
3:56:02
↓ 200.3%
25.2M
10:12/mi
3:59:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
4:08:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:55
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:08:56
Pace9:50 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3528:009:0128:00
9:01
-
10K
6.21 mi11:57:0856:339:0628:33
9:11
+0:10
15K
9.32 mi12:25:391:25:049:0828:31
9:11
0:00
20K
12.43 mi12:54:241:53:499:1028:45
9:15
+0:04
Half
13.11 mi13:00:301:59:559:096:06
8:56
-0:19
25K
15.53 mi13:24:082:23:339:1423:38
9:45
+0:49
30K
18.64 mi13:54:542:54:199:2130:46
9:54
+0:09
20M
20.00 mi14:08:153:07:409:2313:21
9:49
-0:05
21M
21.00 mi14:19:253:18:509:2811:10
11:10
+1:21
35K
21.75 mi14:26:423:26:079:297:17
9:44
-1:26
23M
23.00 mi14:38:383:38:039:2911:56
9:32
-0:12
24M
24.00 mi14:48:293:47:549:309:51
9:51
+0:19
40K
24.85 mi14:56:373:56:029:308:08
9:31
-0:20
25.2M
25.20 mi15:00:083:59:339:303:31
10:12
+0:41
Finish
26.22 mi15:09:264:08:519:309:18
9:08
-1:04

Checkpoints & Pacing

📈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

8:56 /mi

Average Pace

9:30 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:13

52% of race

Time at Steady Pace

50:59

20% of race

Time at Slower Pace

1:08:39

28% of race

Average Pace: 9:29 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:28:3528:009:0128:00
9:01
#22469
10K
6.21 mi11:57:0856:339:0628:33
9:11
#22815
15K
9.32 mi12:25:391:25:049:0828:31
9:11
#22817
20K
12.43 mi12:54:241:53:499:1028:45
9:15
#22619
Half
13.11 mi13:00:301:59:559:096:06
8:56
#22559
25K
15.53 mi13:24:082:23:339:1423:38
9:45
#22582
30K
18.64 mi13:54:542:54:199:2130:46
9:54
#22328
20M
20.00 mi14:08:153:07:409:2313:21
9:49
#22192
21M
21.00 mi14:19:253:18:509:2811:10
11:10
#22144
35K
21.75 mi14:26:423:26:079:297:17
9:44
#22097
23M
23.00 mi14:38:383:38:039:2911:56
9:32
#21888
24M
24.00 mi14:48:293:47:549:309:51
9:51
#21833
40K
24.85 mi14:56:373:56:029:308:08
9:31
#21736
25.2M
25.20 mi15:00:083:59:339:303:31
10:12
#21680
Finish
26.22 mi15:09:264:08:519:309:18
9:08
#21596
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi224698888888822786(Top 80%)8990(Top 74%)8990(Top 904%)
10K6.21 mi3.10 mi22815-3469054-1669054-16623154(Top 82%)9213(Top 75%)9213(Top 927%)
15K9.32 mi3.11 mi22817-29018+369018+3622786(Top 80%)8990(Top 74%)8990(Top 904%)
20K12.43 mi3.11 mi22619+1988916+1028916+10222103(Top 78%)8644(Top 71%)8644(Top 870%)
Half13.11 mi0.68 mi22559+608891+258891+2521612(Top 76%)8381(Top 69%)8381(Top 843%)
25K15.53 mi2.42 mi22582-238915-248915-2422633(Top 80%)8999(Top 74%)8999(Top 905%)
30K18.64 mi3.11 mi22328+2548813+1028813+10221315(Top 75%)8405(Top 69%)8405(Top 846%)
20M20.00 mi1.36 mi22192+1368747+668747+6620387(Top 72%)8015(Top 66%)8015(Top 806%)
21M21.00 mi1.00 mi22144+488752-58752-521821(Top 77%)8878(Top 73%)8878(Top 893%)
35K21.75 mi0.75 mi22097+478730+228730+2221141(Top 74%)8583(Top 70%)8583(Top 863%)
23M23.00 mi1.25 mi21888+2098652+788652+7818865(Top 66%)7444(Top 61%)7444(Top 749%)
24M24.00 mi1.00 mi21833+558648+48648+420911(Top 74%)8561(Top 70%)8561(Top 861%)
40K24.85 mi0.85 mi21736+978618+308618+3018799(Top 66%)7537(Top 62%)7537(Top 758%)
25.2M25.20 mi0.35 mi21680+568595+238595+2317967(Top 63%)7145(Top 58%)7145(Top 719%)
Finish26.22 mi1.02 mi21596+848556+398556+3919662(Top 69%)7959(Top 65%)7959(Top 801%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22786

Females

8990

F55-59

8990

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23154

Females

9213

F55-59

9213

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22786

Females

8990

F55-59

8990

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22103

Females

8644

F55-59

8644

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21612

Females

8381

F55-59

8381

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22633

Females

8999

F55-59

8999

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

21315

Females

8405

F55-59

8405

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20387

Females

8015

F55-59

8015

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21821

Females

8878

F55-59

8878

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

21141

Females

8583

F55-59

8583

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18865

Females

7444

F55-59

7444

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

20911

Females

8561

F55-59

8561

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18799

Females

7537

F55-59

7537

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17967

Females

7145

F55-59

7145

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19662

Females

7959

F55-59

7959

Passing Analysis

Category:
Athletes Passed
1971
Passed By
1098
Net Change
+873
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22469
5K → 10K127473-346#22469#22815
10K → 15K164166-2#22815#22817
15K → 20K28385+198#22817#22619
20K → Half7111+60#22619#22559
Half → 25K134157-23#22559#22582
25K → 30K31662+254#22582#22328
30K → 20M14913+136#22328#22192
20M → 21M11163+48#22192#22144
21M → 35K6316+47#22144#22097
35K → 23M2167+209#22097#21888
23M → 24M7722+55#21888#21833
24M → 40K10811+97#21833#21736
40K → 25.2M593+56#21736#21680
25.2M → Finish939+84#21680#21596
TOTALS19711098+873
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing