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BOSTON MARATHON 2025

Meg Reinstra

CA

Bib: 14216 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:41/mi
20:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:54/mi
42:11
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:55/mi
1:03:40
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:59/mi
1:25:22
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:56/mi
1:30:06
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:02/mi
1:47:09
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:27/mi
2:10:18
↑ 181↓ 1480.2%
138 ft elev
20M
7:36/mi
2:20:37
↑ 64↓ 500.2%
148 ft elev
21M
8:19/mi
2:28:56
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:44/mi
2:34:43
↑ 17↓ 861.7%
156 ft elev
23M
7:53/mi
2:44:35
↑ 23↓ 630.6%
116 ft elev
24M
7:58/mi
2:52:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:01/mi
2:59:24
↓ 200.3%
20 ft elev
25.2M
8:30/mi
3:02:20
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:01/mi
3:10:30
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:06
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:40:24
Pace7:40 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1820:466:4120:46
6:41
-
10K
6.21 mi11:12:4342:116:4721:25
6:54
+0:13
15K
9.32 mi11:34:121:03:406:5021:29
6:55
+0:01
20K
12.43 mi11:55:541:25:226:5221:42
6:59
+0:04
Half
13.11 mi12:00:381:30:066:524:44
6:56
-0:03
25K
15.53 mi12:17:411:47:096:5417:03
7:02
+0:06
30K
18.64 mi12:40:502:10:186:5923:09
7:27
+0:25
20M
20.00 mi12:51:092:20:377:0210:19
7:36
+0:09
21M
21.00 mi12:59:282:28:567:068:19
8:19
+0:43
35K
21.75 mi13:05:152:34:437:075:47
7:44
-0:35
23M
23.00 mi13:15:072:44:357:099:52
7:53
+0:09
24M
24.00 mi13:23:052:52:337:117:58
7:58
+0:05
40K
24.85 mi13:29:562:59:247:136:51
8:01
+0:03
25.2M
25.20 mi13:32:523:02:207:142:56
8:30
+0:29
Finish
26.22 mi13:41:023:10:307:168:10
8:01
-0:29

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

6:41 /mi

Average Pace

7:16 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:09

56% of race

Time at Steady Pace

39:15

21% of race

Time at Slower Pace

44:06

23% of race

Average Pace: 7:16 /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 mi10:51:1820:466:4120:46
6:41
#5326
10K
6.21 mi11:12:4342:116:4721:25
6:54
#6212
15K
9.32 mi11:34:121:03:406:5021:29
6:55
#6493
20K
12.43 mi11:55:541:25:226:5221:42
6:59
#6582
Half
13.11 mi12:00:381:30:066:524:44
6:56
#6618
25K
15.53 mi12:17:411:47:096:5417:03
7:02
#6551
30K
18.64 mi12:40:502:10:186:5923:09
7:27
#6598
20M
20.00 mi12:51:092:20:377:0210:19
7:36
#6576
21M
21.00 mi12:59:282:28:567:068:19
8:19
#6650
35K
21.75 mi13:05:152:34:437:075:47
7:44
#6718
23M
23.00 mi13:15:072:44:357:099:52
7:53
#6797
24M
24.00 mi13:23:052:52:337:117:58
7:58
#6933
40K
24.85 mi13:29:562:59:247:136:51
8:01
#6995
25.2M
25.20 mi13:32:523:02:207:142:56
8:30
#7013
Finish
26.22 mi13:41:023:10:307:168:10
8:01
#7194
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi53263663667069752752
10K6.21 mi3.10 mi6212-886512-146512-1467206752752
15K9.32 mi3.11 mi6493-281596-84596-847069752752
20K12.43 mi3.11 mi6582-89622-26622-266798730730
Half13.11 mi0.68 mi6618-36628-6628-67206830830
25K15.53 mi2.42 mi6551+67630-2630-26545735735
30K18.64 mi3.11 mi6598-47675-45675-45739711631163
20M20.00 mi1.36 mi6576+22698-23698-23763713831383
21M21.00 mi1.00 mi6650-74735-37735-37933722962296
35K21.75 mi0.75 mi6718-68770-35770-351031327382738
23M23.00 mi1.25 mi6797-79825-55825-55915823192319
24M24.00 mi1.00 mi6933-136897-72897-721100832983298
40K24.85 mi0.85 mi6995-62942-45942-451029830623062
25.2M25.20 mi0.35 mi7013-18965-23965-23884124252425
Finish26.22 mi1.02 mi7194-1811051-861051-861297644124412

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7069

Females

752

F18-39

752

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7206

Females

752

F18-39

752

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7069

Females

752

F18-39

752

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6798

Females

730

F18-39

730

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7206

Females

830

F18-39

830

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6545

Females

735

F18-39

735

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7397

Females

1163

F18-39

1163

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7637

Females

1383

F18-39

1383

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9337

Females

2296

F18-39

2296

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10313

Females

2738

F18-39

2738

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9158

Females

2319

F18-39

2319

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11008

Females

3298

F18-39

3298

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10298

Females

3062

F18-39

3062

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8841

Females

2425

F18-39

2425

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12976

Females

4412

F18-39

4412

Passing Analysis

Category:
Athletes Passed
906
Passed By
2774
Net Change
-1868
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5326
5K → 10K23909-886#5326#6212
10K → 15K79360-281#6212#6493
15K → 20K110199-89#6493#6582
20K → Half1753-36#6582#6618
Half → 25K15386+67#6618#6551
25K → 30K165212-47#6551#6598
30K → 20M9371+22#6598#6576
20M → 21M45119-74#6576#6650
21M → 35K2694-68#6650#6718
35K → 23M74153-79#6718#6797
23M → 24M38174-136#6797#6933
24M → 40K42104-62#6933#6995
40K → 25.2M2038-18#6995#7013
25.2M → Finish21202-181#7013#7194
TOTALS9062774-1868

Passing Charts

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