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BOSTON MARATHON 2025

Mary Latza

Bib: 22999•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
Masters (Masters Women)
#0 / 6759
Top 18%
Division (F45-49)
#0 / 1813
Top 21%
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
7:56/mi
24:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:13:58
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:38:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:44:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:06/mi
2:03:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:29:28
↑ 181↓ 1480.2%
20M
8:09/mi
2:40:33
↑ 64↓ 500.2%
21M
8:42/mi
2:49:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:55:08
↑ 17↓ 861.7%
23M
8:06/mi
3:05:17
↑ 23↓ 630.6%
24M
7:55/mi
3:13:12
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:20:05
↓ 200.3%
25.2M
8:54/mi
3:23:09
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:31:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:11
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:46:57
Pace8:10 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1924:407:5624:40
7:56
-
10K
6.21 mi11:47:0149:227:5724:42
7:57
+0:01
15K
9.32 mi12:11:371:13:587:5624:36
7:55
-0:02
20K
12.43 mi12:36:271:38:487:5724:50
8:00
+0:05
Half
13.11 mi12:41:501:44:117:575:23
7:53
-0:07
25K
15.53 mi13:01:282:03:497:5819:38
8:06
+0:13
30K
18.64 mi13:27:072:29:288:0125:39
8:15
+0:09
20M
20.00 mi13:38:122:40:338:0211:05
8:09
-0:06
21M
21.00 mi13:46:542:49:158:048:42
8:42
+0:33
35K
21.75 mi13:52:472:55:088:035:53
7:52
-0:50
23M
23.00 mi14:02:563:05:178:0310:09
8:06
+0:14
24M
24.00 mi14:10:513:13:128:037:55
7:55
-0:11
40K
24.85 mi14:17:443:20:058:036:53
8:03
+0:08
25.2M
25.20 mi14:20:483:23:098:043:04
8:54
+0:51
Finish
26.22 mi14:28:473:31:088:047:59
7:50
-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

7:50 /mi

Average Pace

8:04 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:22

94% of race

Time at Steady Pace

11:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi11:22:1924:407:5624:40
7:56
#16101
10K
6.21 mi11:47:0149:227:5724:42
7:57
#16066
15K
9.32 mi12:11:371:13:587:5624:36
7:55
#15804
20K
12.43 mi12:36:271:38:487:5724:50
8:00
#15546
Half
13.11 mi12:41:501:44:117:575:23
7:53
#15512
25K
15.53 mi13:01:282:03:497:5819:38
8:06
#15334
30K
18.64 mi13:27:072:29:288:0125:39
8:15
#14886
20M
20.00 mi13:38:122:40:338:0211:05
8:09
#14560
21M
21.00 mi13:46:542:49:158:048:42
8:42
#14351
35K
21.75 mi13:52:472:55:088:035:53
7:52
#14223
23M
23.00 mi14:02:563:05:178:0310:09
8:06
#13975
24M
24.00 mi14:10:513:13:128:037:55
7:55
#13800
40K
24.85 mi14:17:443:20:058:036:53
8:03
#13647
25.2M
25.20 mi14:20:483:23:098:043:04
8:54
#13598
Finish
26.22 mi14:28:473:31:088:047:59
7:50
#13520
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi161015203520315382(Top 54%)4798(Top 39%)4798(Top 265%)
10K6.21 mi3.10 mi16066+355179+245179+2416069(Top 57%)5157(Top 42%)5157(Top 284%)
15K9.32 mi3.11 mi15804+2625015+1645015+16415382(Top 54%)4798(Top 39%)4798(Top 265%)
20K12.43 mi3.11 mi15546+2584892+1234892+12314891(Top 52%)4584(Top 37%)4584(Top 253%)
Half13.11 mi0.68 mi15512+344868+244868+2415033(Top 53%)4616(Top 38%)4616(Top 255%)
25K15.53 mi2.42 mi15334+1784793+754793+7514633(Top 52%)4551(Top 37%)4551(Top 251%)
30K18.64 mi3.11 mi14886+4484607+1864607+18613210(Top 47%)3948(Top 32%)3948(Top 218%)
20M20.00 mi1.36 mi14560+3264448+1594448+15911544(Top 41%)3213(Top 26%)3213(Top 177%)
21M21.00 mi1.00 mi14351+2094351+974351+9711712(Top 41%)3462(Top 28%)3462(Top 191%)
35K21.75 mi0.75 mi14223+1284305+464305+4611362(Top 40%)3314(Top 27%)3314(Top 183%)
23M23.00 mi1.25 mi13975+2484207+984207+9810824(Top 38%)3147(Top 26%)3147(Top 174%)
24M24.00 mi1.00 mi13800+1754146+614146+6110709(Top 38%)3150(Top 26%)3150(Top 174%)
40K24.85 mi0.85 mi13647+1534084+624084+6210603(Top 37%)3227(Top 26%)3227(Top 178%)
25.2M25.20 mi0.35 mi13598+494070+144070+1411270(Top 40%)3644(Top 30%)3644(Top 201%)
Finish26.22 mi1.02 mi13520+784052+184052+1811712(Top 41%)3803(Top 31%)3803(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15382

Females

4798

F45-49

4798

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16069

Females

5157

F45-49

5157

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15382

Females

4798

F45-49

4798

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14891

Females

4584

F45-49

4584

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15033

Females

4616

F45-49

4616

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14633

Females

4551

F45-49

4551

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13210

Females

3948

F45-49

3948

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11544

Females

3213

F45-49

3213

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11712

Females

3462

F45-49

3462

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11362

Females

3314

F45-49

3314

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10824

Females

3147

F45-49

3147

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10709

Females

3150

F45-49

3150

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10603

Females

3227

F45-49

3227

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11270

Females

3644

F45-49

3644

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11712

Females

3803

F45-49

3803

Passing Analysis

Category:
Athletes Passed
3310
Passed By
729
Net Change
+2581
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16101
5K → 10K322287+35#16101#16066
10K → 15K35694+262#16066#15804
15K → 20K33476+258#15804#15546
20K → Half5622+34#15546#15512
Half → 25K24668+178#15512#15334
25K → 30K49648+448#15334#14886
30K → 20M3315+326#14886#14560
20M → 21M23122+209#14560#14351
21M → 35K14214+128#14351#14223
35K → 23M26517+248#14223#13975
23M → 24M19116+175#13975#13800
24M → 40K16310+153#13800#13647
40K → 25.2M6112+49#13647#13598
25.2M → Finish11638+78#13598#13520
TOTALS3310729+2581
📊

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