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BOSTON MARATHON 2025

Gemma Barr

Bib: 20757•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
9:12/mi
28:34
↑ 97↓ 3451.5%
10K· 6.21 mi
10:19/mi
1:00:38
↑ 79↓ 1380.4%
15K· 9.32 mi
9:50/mi
1:31:12
↑ 67↓ 78
20K· 12.43 mi
10:49/mi
2:04:47
↑ 106↓ 860.1%
Half· 13.11 mi
10:20/mi
2:11:50
↑ 19↓ 370.5%
25K· 15.53 mi
11:48/mi
2:40:27
↑ 66↓ 880.2%
30K· 18.64 mi
10:41/mi
3:13:38
↑ 181↓ 1480.2%
20M
11:51/mi
3:29:44
↑ 64↓ 500.2%
21M
13:44/mi
3:43:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:52/mi
3:50:51
↑ 17↓ 861.7%
23M
11:51/mi
4:05:41
↑ 23↓ 630.6%
24M
11:08/mi
4:16:49
↓ 821.3%
40K· 24.85 mi
10:41/mi
4:25:57
↓ 200.3%
25.2M
12:25/mi
4:30:14
↑ 13↓ 160.2%
Finish· 26.22 mi
10:56/mi
4:41:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:50
Pace10:03 /mi
2nd Half
Distance13.11 mi
Time2:29:32
Pace11:24 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1028:349:1228:34
9:12
-
10K
6.21 mi11:55:141:00:389:4532:04
10:19
+1:07
15K
9.32 mi12:25:481:31:129:4730:34
9:50
-0:29
20K
12.43 mi12:59:232:04:4710:0233:35
10:49
+0:59
Half
13.11 mi13:06:262:11:5010:037:03
10:20
-0:29
25K
15.53 mi13:35:032:40:2710:2028:37
11:48
+1:28
30K
18.64 mi14:08:143:13:3810:2333:11
10:41
-1:07
20M
20.00 mi14:24:203:29:4410:2916:06
11:51
+1:10
21M
21.00 mi14:38:043:43:2810:3813:44
13:44
+1:53
35K
21.75 mi14:45:273:50:5110:377:23
9:52
-3:52
23M
23.00 mi15:00:174:05:4110:4114:50
11:51
+1:59
24M
24.00 mi15:11:254:16:4910:4211:08
11:08
-0:43
40K
24.85 mi15:20:334:25:5710:429:08
10:41
-0:27
25.2M
25.20 mi15:24:504:30:1410:434:17
12:25
+1:44
Finish
26.22 mi15:35:584:41:2210:4411:08
10:56
-1:29

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

9:12 /mi

Average Pace

10:44 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:31

24% of race

Time at Steady Pace

2:17:17

49% of race

Time at Slower Pace

1:17:34

28% of race

Average Pace: 10:44 /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 mi11:23:1028:349:1228:34
9:12
#23209
10K
6.21 mi11:55:141:00:389:4532:04
10:19
#24877
15K
9.32 mi12:25:481:31:129:4730:34
9:50
#24781
20K
12.43 mi12:59:232:04:4710:0233:35
10:49
#25113
Half
13.11 mi13:06:262:11:5010:037:03
10:20
#25129
25K
15.53 mi13:35:032:40:2710:2028:37
11:48
#25381
30K
18.64 mi14:08:143:13:3810:2333:11
10:41
#25028
20M
20.00 mi14:24:203:29:4410:2916:06
11:51
#25043
21M
21.00 mi14:38:043:43:2810:3813:44
13:44
#25129
35K
21.75 mi14:45:273:50:5110:377:23
9:52
#25047
23M
23.00 mi15:00:174:05:4110:4114:50
11:51
#25046
24M
24.00 mi15:11:254:16:4910:4211:08
11:08
#25006
40K
24.85 mi15:20:334:25:5710:429:08
10:41
#24929
25.2M
25.20 mi15:24:504:30:1410:434:17
12:25
#24919
Finish
26.22 mi15:35:584:41:2210:4411:08
10:56
#24943
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi232099282928224626(Top 87%)10020(Top 82%)10020(Top 553%)
10K6.21 mi3.10 mi24877-166810165-88310165-88325950(Top 91%)10761(Top 88%)10761(Top 594%)
15K9.32 mi3.11 mi24781+9610104+6110104+6124626(Top 87%)10020(Top 82%)10020(Top 553%)
20K12.43 mi3.11 mi25113-33210297-19310297-19325725(Top 91%)10655(Top 87%)10655(Top 588%)
Half13.11 mi0.68 mi25129-1610305-810305-825485(Top 90%)10535(Top 86%)10535(Top 581%)
25K15.53 mi2.42 mi25381-25210464-15910464-15926208(Top 92%)10976(Top 90%)10976(Top 605%)
30K18.64 mi3.11 mi25028+35310292+17210292+17223343(Top 82%)9522(Top 78%)9522(Top 525%)
20M20.00 mi1.36 mi25043-1510316-2410316-2425041(Top 88%)10496(Top 86%)10496(Top 579%)
21M21.00 mi1.00 mi25129-8610380-6410380-6425916(Top 91%)11001(Top 90%)11001(Top 607%)
35K21.75 mi0.75 mi25047+8210342+3810342+3821500(Top 76%)8784(Top 72%)8784(Top 485%)
23M23.00 mi1.25 mi25046+110358-1610358-1624839(Top 87%)10514(Top 86%)10514(Top 580%)
24M24.00 mi1.00 mi25006+4010344+1410344+1424237(Top 85%)10240(Top 84%)10240(Top 565%)
40K24.85 mi0.85 mi24929+7710317+2710317+2722366(Top 79%)9399(Top 77%)9399(Top 518%)
25.2M25.20 mi0.35 mi24919+1010316+110316+123994(Top 84%)10170(Top 83%)10170(Top 561%)
Finish26.22 mi1.02 mi24943-2410333-1710333-1725200(Top 89%)10749(Top 88%)10749(Top 593%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24626

Females

10020

F45-49

10020

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25950

Females

10761

F45-49

10761

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24626

Females

10020

F45-49

10020

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25725

Females

10655

F45-49

10655

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25485

Females

10535

F45-49

10535

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26208

Females

10976

F45-49

10976

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23343

Females

9522

F45-49

9522

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

25041

Females

10496

F45-49

10496

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25916

Females

11001

F45-49

11001

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21500

Females

8784

F45-49

8784

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24839

Females

10514

F45-49

10514

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24237

Females

10240

F45-49

10240

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22366

Females

9399

F45-49

9399

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23994

Females

10170

F45-49

10170

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25200

Females

10749

F45-49

10749

Passing Analysis

Category:
Athletes Passed
1037
Passed By
2771
Net Change
-1734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23209
5K → 10K141682-1668#23209#24877
10K → 15K17882+96#24877#24781
15K → 20K48380-332#24781#25113
20K → Half2036-16#25113#25129
Half → 25K37289-252#25129#25381
25K → 30K3574+353#25381#25028
30K → 20M5368-15#25028#25043
20M → 21M23109-86#25043#25129
21M → 35K842+82#25129#25047
35K → 23M4241+1#25047#25046
23M → 24M5515+40#25046#25006
24M → 40K825+77#25006#24929
40K → 25.2M2111+10#24929#24919
25.2M → Finish2347-24#24919#24943
TOTALS10372771-1734
📊

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