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BOSTON MARATHON 2025

Tara Showalter

FL

Bib: 23631 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
8:35/mi
26:39
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:40/mi
53:34
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:33/mi
1:20:07
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:17/mi
1:48:56
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:49/mi
1:54:57
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:56/mi
2:19:03
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:21/mi
2:51:11
↑ 181↓ 1480.2%
138 ft elev
20M
9:58/mi
3:04:44
↑ 64↓ 500.2%
148 ft elev
21M
11:16/mi
3:16:00
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:13/mi
3:22:54
↑ 17↓ 861.7%
156 ft elev
23M
9:50/mi
3:35:13
↑ 23↓ 630.6%
116 ft elev
24M
9:44/mi
3:44:57
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:40/mi
3:53:13
↓ 200.3%
20 ft elev
25.2M
10:47/mi
3:56:56
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:14/mi
4:06:21
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:54:578:46 /mi⚡ faster
2nd Half
2:11:2410:01 /mi+14.3%
Positive split — 14.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3526:398:3526:39
8:35
-
10K
6.21 mi11:51:3053:348:3726:55
8:40
+0:05
15K
9.32 mi12:18:031:20:078:3626:33
8:33
-0:07
20K
12.43 mi12:46:521:48:568:4628:49
9:17
+0:44
Half
13.11 mi12:52:531:54:578:466:01
8:49
-0:28
25K
15.53 mi13:16:592:19:038:5724:06
9:56
+1:07
30K
18.64 mi13:49:072:51:119:1132:08
10:21
+0:25
20M
20.00 mi14:02:403:04:449:1413:33
9:58
-0:23
21M
21.00 mi14:13:563:16:009:2011:16
11:16
+1:18
35K
21.75 mi14:20:503:22:549:206:54
9:13
-2:03
23M
23.00 mi14:33:093:35:139:2112:19
9:50
+0:37
24M
24.00 mi14:42:533:44:579:229:44
9:44
-0:06
40K
24.85 mi14:51:093:53:139:238:16
9:40
-0:04
25.2M
25.20 mi14:54:523:56:569:243:43
10:47
+1:07
Finish
26.22 mi15:04:174:06:219:249:25
9:14
-1:33

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

8:33 /mi

Average Pace

9:24 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:42:27

42% of race

Time at Steady Pace

1:36:47

39% of race

Time at Slower Pace

47:07

19% of race

Average Pace: 9:24 /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 mi11:24:3526:398:3526:39
8:35
#20351
10K
6.21 mi11:51:3053:348:3726:55
8:40
#20508
15K
9.32 mi12:18:031:20:078:3626:33
8:33
#20206
20K
12.43 mi12:46:521:48:568:4628:49
9:17
#20749
Half
13.11 mi12:52:531:54:578:466:01
8:49
#20769
25K
15.53 mi13:16:592:19:038:5724:06
9:56
#21350
30K
18.64 mi13:49:072:51:119:1132:08
10:21
#21679
20M
20.00 mi14:02:403:04:449:1413:33
9:58
#21619
21M
21.00 mi14:13:563:16:009:2011:16
11:16
#21661
35K
21.75 mi14:20:503:22:549:206:54
9:13
#21580
23M
23.00 mi14:33:093:35:139:2112:19
9:50
#21457
24M
24.00 mi14:42:533:44:579:229:44
9:44
#21400
40K
24.85 mi14:51:093:53:139:238:16
9:40
#21316
25.2M
25.20 mi14:54:523:56:569:243:43
10:47
#21292
Finish
26.22 mi15:04:174:06:219:249:25
9:14
#21244
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi20351771777171961872317231
10K6.21 mi3.10 mi20508-1577777-607777-602069378587858
15K9.32 mi3.11 mi20206+3027588+1897588+1891961872317231
20K12.43 mi3.11 mi20749-5437898-3107898-3102220787028702
Half13.11 mi0.68 mi20769-207911-137911-132104180748074
25K15.53 mi2.42 mi21350-5818243-3328243-3322309892499249
30K18.64 mi3.11 mi21679-3298447-2048447-2042257990939093
20M20.00 mi1.36 mi21619+608431+168431+162085082748274
21M21.00 mi1.00 mi21661-428479-488479-482209290199019
35K21.75 mi0.75 mi21580+818446+338446+331930676157615
23M23.00 mi1.25 mi21457+1238405+418405+411993980198019
24M24.00 mi1.00 mi21400+578392+138392+132051683568356
40K24.85 mi0.85 mi21316+848373+198373+191937878307830
25.2M25.20 mi0.35 mi21292+248369+48369+42000181628162
Finish26.22 mi1.02 mi21244+488357+128357+122015782358235

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19618

Females

7231

F50-54

7231

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20693

Females

7858

F50-54

7858

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19618

Females

7231

F50-54

7231

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22207

Females

8702

F50-54

8702

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21041

Females

8074

F50-54

8074

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

23098

Females

9249

F50-54

9249

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22579

Females

9093

F50-54

9093

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20850

Females

8274

F50-54

8274

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22092

Females

9019

F50-54

9019

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19306

Females

7615

F50-54

7615

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

19939

Females

8019

F50-54

8019

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20516

Females

8356

F50-54

8356

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19378

Females

7830

F50-54

7830

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

20001

Females

8162

F50-54

8162

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20157

Females

8235

F50-54

8235

Passing Analysis

Category:
Athletes Passed
1553
Passed By
2446
Net Change
-893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20351
5K → 10K213370-157#20351#20508
10K → 15K36159+302#20508#20206
15K → 20K75618-543#20206#20749
20K → Half2848-20#20749#20769
Half → 25K45626-581#20769#21350
25K → 30K109438-329#21350#21679
30K → 20M12060+60#21679#21619
20M → 21M72114-42#21619#21661
21M → 35K887+81#21661#21580
35K → 23M15330+123#21580#21457
23M → 24M8225+57#21457#21400
24M → 40K9511+84#21400#21316
40K → 25.2M4016+24#21316#21292
25.2M → Finish7224+48#21292#21244
TOTALS15532446-893

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