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BOSTON MARATHON 2025

Teresa Lockwood

Bib: 24743•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 49%
Division (F55-59)
#0 / 994
Top 31%
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
8:25/mi
26:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
52:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:47/mi
1:19:58
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:48:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:53:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:00/mi
2:15:45
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:44:59
↑ 181↓ 1480.2%
20M
8:55/mi
2:57:06
↑ 64↓ 500.2%
21M
9:30/mi
3:06:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:13:04
↑ 17↓ 861.7%
23M
8:25/mi
3:23:36
↑ 23↓ 630.6%
24M
8:43/mi
3:32:19
↓ 821.3%
40K· 24.85 mi
9:09/mi
3:40:08
↓ 200.3%
25.2M
10:06/mi
3:43:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:39/mi
3:52:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:55
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time1:58:31
Pace9:02 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0726:088:2526:08
8:25
-
10K
6.21 mi11:52:3952:408:2926:32
8:32
+0:07
15K
9.32 mi12:19:571:19:588:3527:18
8:47
+0:15
20K
12.43 mi12:48:011:48:028:4228:04
9:02
+0:15
Half
13.11 mi12:53:541:53:558:415:53
8:37
-0:25
25K
15.53 mi13:15:442:15:458:4421:50
9:00
+0:23
30K
18.64 mi13:44:582:44:598:5129:14
9:25
+0:25
20M
20.00 mi13:57:052:57:068:5112:07
8:55
-0:30
21M
21.00 mi14:06:353:06:368:539:30
9:30
+0:35
35K
21.75 mi14:13:033:13:048:536:28
8:39
-0:51
23M
23.00 mi14:23:353:23:368:5110:32
8:25
-0:14
24M
24.00 mi14:32:183:32:198:518:43
8:43
+0:18
40K
24.85 mi14:40:073:40:088:517:49
9:09
+0:26
25.2M
25.20 mi14:43:363:43:378:523:29
10:06
+0:57
Finish
26.22 mi14:52:253:52:268:528:49
8:39
-1:27

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

8:25 /mi

Average Pace

8:52 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:12

27% of race

Time at Steady Pace

1:31:08

39% of race

Time at Slower Pace

1:18:06

34% of race

Average Pace: 8:52 /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 mi11:26:0726:088:2526:08
8:25
#19390
10K
6.21 mi11:52:3952:408:2926:32
8:32
#19688
15K
9.32 mi12:19:571:19:588:3527:18
8:47
#20129
20K
12.43 mi12:48:011:48:028:4228:04
9:02
#20375
Half
13.11 mi12:53:541:53:558:415:53
8:37
#20350
25K
15.53 mi13:15:442:15:458:4421:50
9:00
#20296
30K
18.64 mi13:44:582:44:598:5129:14
9:25
#20135
20M
20.00 mi13:57:052:57:068:5112:07
8:55
#19863
21M
21.00 mi14:06:353:06:368:539:30
9:30
#19635
35K
21.75 mi14:13:033:13:048:536:28
8:39
#19512
23M
23.00 mi14:23:353:23:368:5110:32
8:25
#19159
24M
24.00 mi14:32:183:32:198:518:43
8:43
#19031
40K
24.85 mi14:40:073:40:088:517:49
9:09
#18922
25.2M
25.20 mi14:43:363:43:378:523:29
10:06
#18912
Finish
26.22 mi14:52:253:52:268:528:49
8:39
#18836
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi193907137713720967(Top 74%)7981(Top 65%)7981(Top 803%)
10K6.21 mi3.10 mi19688-2987295-1587295-15820044(Top 71%)7489(Top 61%)7489(Top 753%)
15K9.32 mi3.11 mi20129-4417543-2487543-24820967(Top 74%)7981(Top 65%)7981(Top 803%)
20K12.43 mi3.11 mi20375-2467689-1467689-14621152(Top 74%)8134(Top 67%)8134(Top 818%)
Half13.11 mi0.68 mi20350+257672+177672+1719952(Top 70%)7440(Top 61%)7440(Top 748%)
25K15.53 mi2.42 mi20296+547656+167656+1619926(Top 70%)7491(Top 61%)7491(Top 754%)
30K18.64 mi3.11 mi20135+1617604+527604+5219577(Top 69%)7436(Top 61%)7436(Top 748%)
20M20.00 mi1.36 mi19863+2727468+1367468+13616370(Top 58%)5818(Top 48%)5818(Top 585%)
21M21.00 mi1.00 mi19635+2287366+1027366+10216119(Top 57%)5778(Top 47%)5778(Top 581%)
35K21.75 mi0.75 mi19512+1237309+577309+5716402(Top 58%)6022(Top 49%)6022(Top 606%)
23M23.00 mi1.25 mi19159+3537133+1767133+17612814(Top 45%)4180(Top 34%)4180(Top 421%)
24M24.00 mi1.00 mi19031+1287083+507083+5015882(Top 56%)5872(Top 48%)5872(Top 591%)
40K24.85 mi0.85 mi18922+1097060+237060+2317115(Top 60%)6646(Top 54%)6646(Top 669%)
25.2M25.20 mi0.35 mi18912+107056+47056+417525(Top 62%)6879(Top 56%)6879(Top 692%)
Finish26.22 mi1.02 mi18836+767037+197037+1917207(Top 61%)6669(Top 55%)6669(Top 671%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

20967

Females

7981

F55-59

7981

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20044

Females

7489

F55-59

7489

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

20967

Females

7981

F55-59

7981

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21152

Females

8134

F55-59

8134

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19952

Females

7440

F55-59

7440

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19926

Females

7491

F55-59

7491

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19577

Females

7436

F55-59

7436

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16370

Females

5818

F55-59

5818

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16119

Females

5778

F55-59

5778

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16402

Females

6022

F55-59

6022

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12814

Females

4180

F55-59

4180

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15882

Females

5872

F55-59

5872

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17115

Females

6646

F55-59

6646

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17525

Females

6879

F55-59

6879

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17207

Females

6669

F55-59

6669

Passing Analysis

Category:
Athletes Passed
2281
Passed By
1727
Net Change
+554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19390
5K → 10K141439-298#19390#19688
10K → 15K86527-441#19688#20129
15K → 20K114360-246#20129#20375
20K → Half4520+25#20375#20350
Half → 25K184130+54#20350#20296
25K → 30K306145+161#20296#20135
30K → 20M2808+272#20135#19863
20M → 21M24214+228#19863#19635
21M → 35K1252+123#19635#19512
35K → 23M3530+353#19512#19159
23M → 24M14517+128#19159#19031
24M → 40K12415+109#19031#18922
40K → 25.2M3020+10#18922#18912
25.2M → Finish10630+76#18912#18836
TOTALS22811727+554
📊

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